Home / 152,984.18-229,397.08-68,671.74

Finding the Fourth Proportional to 152,984.18, 229,397.08 and 68,671.74

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Solution

The fourth proportional to 152,984.18, 229,397.08 and 68,671.74 is: 102,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,984.18 : 229,397.08 = 68,671.74 : x
  2. Step 2: Convert to fraction form
    152,984.18/229,397.08 = 68,671.74/x
  3. Step 3: Cross multiply
    152,984.18x = 229,397.08 × 68,671.74
  4. Step 4: Simplify right side
    152,984.18x = 15,753,097,218.12
  5. Step 5: Solve for x
    x = 15,753,097,218.12/152,984.18
  6. Step 6: Final answer
    x = 102,972.07

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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.