Home / 102,120.22-153,160.05-97,056.82

Finding the Fourth Proportional to 102,120.22, 153,160.05 and 97,056.82

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Solution

The fourth proportional to 102,120.22, 153,160.05 and 97,056.82 is: 145,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,120.22 : 153,160.05 = 97,056.82 : x
  2. Step 2: Convert to fraction form
    102,120.22/153,160.05 = 97,056.82/x
  3. Step 3: Cross multiply
    102,120.22x = 153,160.05 × 97,056.82
  4. Step 4: Simplify right side
    102,120.22x = 14,865,227,404.04
  5. Step 5: Solve for x
    x = 14,865,227,404.04/102,120.22
  6. Step 6: Final answer
    x = 145,565.96

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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.