Home / 131,502.40-197,253.60-47,302.90

Finding the Fourth Proportional to 131,502.40, 197,253.60 and 47,302.90

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Solution

The fourth proportional to 131,502.40, 197,253.60 and 47,302.90 is: 70,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,502.40 : 197,253.60 = 47,302.90 : x
  2. Step 2: Convert to fraction form
    131,502.40/197,253.60 = 47,302.90/x
  3. Step 3: Cross multiply
    131,502.40x = 197,253.60 × 47,302.90
  4. Step 4: Simplify right side
    131,502.40x = 9,330,667,315.44
  5. Step 5: Solve for x
    x = 9,330,667,315.44/131,502.40
  6. Step 6: Final answer
    x = 70,954.35

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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.