Home / 180,579.17-249,116.55-116,937.47

Finding the Fourth Proportional to 180,579.17, 249,116.55 and 116,937.47

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Solution

The fourth proportional to 180,579.17, 249,116.55 and 116,937.47 is: 161,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,579.17 : 249,116.55 = 116,937.47 : x
  2. Step 2: Convert to fraction form
    180,579.17/249,116.55 = 116,937.47/x
  3. Step 3: Cross multiply
    180,579.17x = 249,116.55 × 116,937.47
  4. Step 4: Simplify right side
    180,579.17x = 29,131,059,092.13
  5. Step 5: Solve for x
    x = 29,131,059,092.13/180,579.17
  6. Step 6: Final answer
    x = 161,320.15

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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.