Home / 152,901.60-229,352.40-82,917.60

Finding the Fourth Proportional to 152,901.60, 229,352.40 and 82,917.60

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Solution

The fourth proportional to 152,901.60, 229,352.40 and 82,917.60 is: 124,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,901.60 : 229,352.40 = 82,917.60 : x
  2. Step 2: Convert to fraction form
    152,901.60/229,352.40 = 82,917.60/x
  3. Step 3: Cross multiply
    152,901.60x = 229,352.40 × 82,917.60
  4. Step 4: Simplify right side
    152,901.60x = 19,017,350,562.24
  5. Step 5: Solve for x
    x = 19,017,350,562.24/152,901.60
  6. Step 6: Final answer
    x = 124,376.40

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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.