Home / 116,818.19-161,208.98-63,103.20

Finding the Fourth Proportional to 116,818.19, 161,208.98 and 63,103.20

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Solution

The fourth proportional to 116,818.19, 161,208.98 and 63,103.20 is: 87,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,818.19 : 161,208.98 = 63,103.20 : x
  2. Step 2: Convert to fraction form
    116,818.19/161,208.98 = 63,103.20/x
  3. Step 3: Cross multiply
    116,818.19x = 161,208.98 × 63,103.20
  4. Step 4: Simplify right side
    116,818.19x = 10,172,801,385.18
  5. Step 5: Solve for x
    x = 10,172,801,385.18/116,818.19
  6. Step 6: Final answer
    x = 87,082.34

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1.5x scale

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.