Home / 129,618.47-195,127.95-116,583.62

Finding the Fourth Proportional to 129,618.47, 195,127.95 and 116,583.62

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Solution

The fourth proportional to 129,618.47, 195,127.95 and 116,583.62 is: 175,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.47 : 195,127.95 = 116,583.62 : x
  2. Step 2: Convert to fraction form
    129,618.47/195,127.95 = 116,583.62/x
  3. Step 3: Cross multiply
    129,618.47x = 195,127.95 × 116,583.62
  4. Step 4: Simplify right side
    129,618.47x = 22,748,722,774.18
  5. Step 5: Solve for x
    x = 22,748,722,774.18/129,618.47
  6. Step 6: Final answer
    x = 175,505.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.