Home / 125,762.96-189,393.20-113,425.04

Finding the Fourth Proportional to 125,762.96, 189,393.20 and 113,425.04

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Solution

The fourth proportional to 125,762.96, 189,393.20 and 113,425.04 is: 170,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.96 : 189,393.20 = 113,425.04 : x
  2. Step 2: Convert to fraction form
    125,762.96/189,393.20 = 113,425.04/x
  3. Step 3: Cross multiply
    125,762.96x = 189,393.20 × 113,425.04
  4. Step 4: Simplify right side
    125,762.96x = 21,481,931,285.73
  5. Step 5: Solve for x
    x = 21,481,931,285.73/125,762.96
  6. Step 6: Final answer
    x = 170,812.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.