Home / 129,646.50-194,502.54-36,152.28

Finding the Fourth Proportional to 129,646.50, 194,502.54 and 36,152.28

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Solution

The fourth proportional to 129,646.50, 194,502.54 and 36,152.28 is: 54,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,646.50 : 194,502.54 = 36,152.28 : x
  2. Step 2: Convert to fraction form
    129,646.50/194,502.54 = 36,152.28/x
  3. Step 3: Cross multiply
    129,646.50x = 194,502.54 × 36,152.28
  4. Step 4: Simplify right side
    129,646.50x = 7,031,710,286.79
  5. Step 5: Solve for x
    x = 7,031,710,286.79/129,646.50
  6. Step 6: Final answer
    x = 54,237.56

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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.