Home / 118,851.04-178,156.42-74,508.88

Finding the Fourth Proportional to 118,851.04, 178,156.42 and 74,508.88

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Solution

The fourth proportional to 118,851.04, 178,156.42 and 74,508.88 is: 111,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.04 : 178,156.42 = 74,508.88 : x
  2. Step 2: Convert to fraction form
    118,851.04/178,156.42 = 74,508.88/x
  3. Step 3: Cross multiply
    118,851.04x = 178,156.42 × 74,508.88
  4. Step 4: Simplify right side
    118,851.04x = 13,274,235,319.01
  5. Step 5: Solve for x
    x = 13,274,235,319.01/118,851.04
  6. Step 6: Final answer
    x = 111,688.00

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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.