Home / 170,417,709.60-255,626,564.40-115,998,151.20

Finding the Fourth Proportional to 170,417,709.60, 255,626,564.40 and 115,998,151.20

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Solution

The fourth proportional to 170,417,709.60, 255,626,564.40 and 115,998,151.20 is: 173,997,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,417,709.60 : 255,626,564.40 = 115,998,151.20 : x
  2. Step 2: Convert to fraction form
    170,417,709.60/255,626,564.40 = 115,998,151.20/x
  3. Step 3: Cross multiply
    170,417,709.60x = 255,626,564.40 × 115,998,151.20
  4. Step 4: Simplify right side
    170,417,709.60x = 29,652,208,868,007,740
  5. Step 5: Solve for x
    x = 29,652,208,868,007,740/170,417,709.60
  6. Step 6: Final answer
    x = 173,997,226.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.