Home / 155,349.20-214,268.28-101,547.92

Finding the Fourth Proportional to 155,349.20, 214,268.28 and 101,547.92

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Solution

The fourth proportional to 155,349.20, 214,268.28 and 101,547.92 is: 140,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,349.20 : 214,268.28 = 101,547.92 : x
  2. Step 2: Convert to fraction form
    155,349.20/214,268.28 = 101,547.92/x
  3. Step 3: Cross multiply
    155,349.20x = 214,268.28 × 101,547.92
  4. Step 4: Simplify right side
    155,349.20x = 21,758,498,155.98
  5. Step 5: Solve for x
    x = 21,758,498,155.98/155,349.20
  6. Step 6: Final answer
    x = 140,061.86

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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.