Home / 103,695.30-155,154.15-94,364.10

Finding the Fourth Proportional to 103,695.30, 155,154.15 and 94,364.10

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Solution

The fourth proportional to 103,695.30, 155,154.15 and 94,364.10 is: 141,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.30 : 155,154.15 = 94,364.10 : x
  2. Step 2: Convert to fraction form
    103,695.30/155,154.15 = 94,364.10/x
  3. Step 3: Cross multiply
    103,695.30x = 155,154.15 × 94,364.10
  4. Step 4: Simplify right side
    103,695.30x = 14,640,981,726.02
  5. Step 5: Solve for x
    x = 14,640,981,726.02/103,695.30
  6. Step 6: Final answer
    x = 141,192.34

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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.