Home / 155,429.28-233,086.80-55,562.40

Finding the Fourth Proportional to 155,429.28, 233,086.80 and 55,562.40

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Solution

The fourth proportional to 155,429.28, 233,086.80 and 55,562.40 is: 83,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.28 : 233,086.80 = 55,562.40 : x
  2. Step 2: Convert to fraction form
    155,429.28/233,086.80 = 55,562.40/x
  3. Step 3: Cross multiply
    155,429.28x = 233,086.80 × 55,562.40
  4. Step 4: Simplify right side
    155,429.28x = 12,950,862,016.32
  5. Step 5: Solve for x
    x = 12,950,862,016.32/155,429.28
  6. Step 6: Final answer
    x = 83,323.18

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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.