Home / 135,902.08-187,551.10-75,473.00

Finding the Fourth Proportional to 135,902.08, 187,551.10 and 75,473.00

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Solution

The fourth proportional to 135,902.08, 187,551.10 and 75,473.00 is: 104,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.08 : 187,551.10 = 75,473.00 : x
  2. Step 2: Convert to fraction form
    135,902.08/187,551.10 = 75,473.00/x
  3. Step 3: Cross multiply
    135,902.08x = 187,551.10 × 75,473.00
  4. Step 4: Simplify right side
    135,902.08x = 14,155,044,030.20
  5. Step 5: Solve for x
    x = 14,155,044,030.20/135,902.08
  6. Step 6: Final answer
    x = 104,156.20

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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.