Home / 134,672.14-185,848.86-74,245.20

Finding the Fourth Proportional to 134,672.14, 185,848.86 and 74,245.20

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Solution

The fourth proportional to 134,672.14, 185,848.86 and 74,245.20 is: 102,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,672.14 : 185,848.86 = 74,245.20 : x
  2. Step 2: Convert to fraction form
    134,672.14/185,848.86 = 74,245.20/x
  3. Step 3: Cross multiply
    134,672.14x = 185,848.86 × 74,245.20
  4. Step 4: Simplify right side
    134,672.14x = 13,798,385,780.47
  5. Step 5: Solve for x
    x = 13,798,385,780.47/134,672.14
  6. Step 6: Final answer
    x = 102,459.10

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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.