Home / 145,104.10-217,364.55-97,864.90

Finding the Fourth Proportional to 145,104.10, 217,364.55 and 97,864.90

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Solution

The fourth proportional to 145,104.10, 217,364.55 and 97,864.90 is: 146,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,104.10 : 217,364.55 = 97,864.90 : x
  2. Step 2: Convert to fraction form
    145,104.10/217,364.55 = 97,864.90/x
  3. Step 3: Cross multiply
    145,104.10x = 217,364.55 × 97,864.90
  4. Step 4: Simplify right side
    145,104.10x = 21,272,359,949.30
  5. Step 5: Solve for x
    x = 21,272,359,949.30/145,104.10
  6. Step 6: Final answer
    x = 146,600.68

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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.