Home / 116,899.20-161,320.65-63,184.08

Finding the Fourth Proportional to 116,899.20, 161,320.65 and 63,184.08

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Solution

The fourth proportional to 116,899.20, 161,320.65 and 63,184.08 is: 87,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,899.20 : 161,320.65 = 63,184.08 : x
  2. Step 2: Convert to fraction form
    116,899.20/161,320.65 = 63,184.08/x
  3. Step 3: Cross multiply
    116,899.20x = 161,320.65 × 63,184.08
  4. Step 4: Simplify right side
    116,899.20x = 10,192,897,223.26
  5. Step 5: Solve for x
    x = 10,192,897,223.26/116,899.20
  6. Step 6: Final answer
    x = 87,193.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.