Home / 140,565.18-210,972.51-65,726.04

Finding the Fourth Proportional to 140,565.18, 210,972.51 and 65,726.04

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Solution

The fourth proportional to 140,565.18, 210,972.51 and 65,726.04 is: 98,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,565.18 : 210,972.51 = 65,726.04 : x
  2. Step 2: Convert to fraction form
    140,565.18/210,972.51 = 65,726.04/x
  3. Step 3: Cross multiply
    140,565.18x = 210,972.51 × 65,726.04
  4. Step 4: Simplify right side
    140,565.18x = 13,866,387,631.16
  5. Step 5: Solve for x
    x = 13,866,387,631.16/140,565.18
  6. Step 6: Final answer
    x = 98,647.39

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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.