Home / 135,900.35-187,543.62-75,472.00

Finding the Fourth Proportional to 135,900.35, 187,543.62 and 75,472.00

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Solution

The fourth proportional to 135,900.35, 187,543.62 and 75,472.00 is: 104,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900.35 : 187,543.62 = 75,472.00 : x
  2. Step 2: Convert to fraction form
    135,900.35/187,543.62 = 75,472.00/x
  3. Step 3: Cross multiply
    135,900.35x = 187,543.62 × 75,472.00
  4. Step 4: Simplify right side
    135,900.35x = 14,154,292,833.91
  5. Step 5: Solve for x
    x = 14,154,292,833.91/135,900.35
  6. Step 6: Final answer
    x = 104,152.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.