Home / 134,658.60-185,760.48-102,772.16

Finding the Fourth Proportional to 134,658.60, 185,760.48 and 102,772.16

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Solution

The fourth proportional to 134,658.60, 185,760.48 and 102,772.16 is: 141,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,658.60 : 185,760.48 = 102,772.16 : x
  2. Step 2: Convert to fraction form
    134,658.60/185,760.48 = 102,772.16/x
  3. Step 3: Cross multiply
    134,658.60x = 185,760.48 × 102,772.16
  4. Step 4: Simplify right side
    134,658.60x = 19,091,005,772.24
  5. Step 5: Solve for x
    x = 19,091,005,772.24/134,658.60
  6. Step 6: Final answer
    x = 141,773.39

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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.