Home / 126,381.29-189,612.90-37,635.53

Finding the Fourth Proportional to 126,381.29, 189,612.90 and 37,635.53

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Solution

The fourth proportional to 126,381.29, 189,612.90 and 37,635.53 is: 56,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,381.29 : 189,612.90 = 37,635.53 : x
  2. Step 2: Convert to fraction form
    126,381.29/189,612.90 = 37,635.53/x
  3. Step 3: Cross multiply
    126,381.29x = 189,612.90 × 37,635.53
  4. Step 4: Simplify right side
    126,381.29x = 7,136,181,038.27
  5. Step 5: Solve for x
    x = 7,136,181,038.27/126,381.29
  6. Step 6: Final answer
    x = 56,465.49

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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.