Home / 118,850.04-178,154.92-74,507.88

Finding the Fourth Proportional to 118,850.04, 178,154.92 and 74,507.88

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Solution

The fourth proportional to 118,850.04, 178,154.92 and 74,507.88 is: 111,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.04 : 178,154.92 = 74,507.88 : x
  2. Step 2: Convert to fraction form
    118,850.04/178,154.92 = 74,507.88/x
  3. Step 3: Cross multiply
    118,850.04x = 178,154.92 × 74,507.88
  4. Step 4: Simplify right side
    118,850.04x = 13,273,945,400.77
  5. Step 5: Solve for x
    x = 13,273,945,400.77/118,850.04
  6. Step 6: Final answer
    x = 111,686.50

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1.5x scale

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.