Home / 134,475.28-185,573.40-74,044.60

Finding the Fourth Proportional to 134,475.28, 185,573.40 and 74,044.60

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Solution

The fourth proportional to 134,475.28, 185,573.40 and 74,044.60 is: 102,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.28 : 185,573.40 = 74,044.60 : x
  2. Step 2: Convert to fraction form
    134,475.28/185,573.40 = 74,044.60/x
  3. Step 3: Cross multiply
    134,475.28x = 185,573.40 × 74,044.60
  4. Step 4: Simplify right side
    134,475.28x = 13,740,708,173.64
  5. Step 5: Solve for x
    x = 13,740,708,173.64/134,475.28
  6. Step 6: Final answer
    x = 102,180.18

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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.