Home / 208,340.60-312,529.38-58,582.20

Finding the Fourth Proportional to 208,340.60, 312,529.38 and 58,582.20

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Solution

The fourth proportional to 208,340.60, 312,529.38 and 58,582.20 is: 87,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,340.60 : 312,529.38 = 58,582.20 : x
  2. Step 2: Convert to fraction form
    208,340.60/312,529.38 = 58,582.20/x
  3. Step 3: Cross multiply
    208,340.60x = 312,529.38 × 58,582.20
  4. Step 4: Simplify right side
    208,340.60x = 18,308,658,645.04
  5. Step 5: Solve for x
    x = 18,308,658,645.04/208,340.60
  6. Step 6: Final answer
    x = 87,878.50

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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.