Home / 147,917.04-221,771.40-51,830.64

Finding the Fourth Proportional to 147,917.04, 221,771.40 and 51,830.64

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Solution

The fourth proportional to 147,917.04, 221,771.40 and 51,830.64 is: 77,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.04 : 221,771.40 = 51,830.64 : x
  2. Step 2: Convert to fraction form
    147,917.04/221,771.40 = 51,830.64/x
  3. Step 3: Cross multiply
    147,917.04x = 221,771.40 × 51,830.64
  4. Step 4: Simplify right side
    147,917.04x = 11,494,553,595.70
  5. Step 5: Solve for x
    x = 11,494,553,595.70/147,917.04
  6. Step 6: Final answer
    x = 77,709.46

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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.