Home / 125,527.30-188,231.55-72,952.90

Finding the Fourth Proportional to 125,527.30, 188,231.55 and 72,952.90

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Solution

The fourth proportional to 125,527.30, 188,231.55 and 72,952.90 is: 109,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,527.30 : 188,231.55 = 72,952.90 : x
  2. Step 2: Convert to fraction form
    125,527.30/188,231.55 = 72,952.90/x
  3. Step 3: Cross multiply
    125,527.30x = 188,231.55 × 72,952.90
  4. Step 4: Simplify right side
    125,527.30x = 13,732,037,444.00
  5. Step 5: Solve for x
    x = 13,732,037,444.00/125,527.30
  6. Step 6: Final answer
    x = 109,394.83

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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.