Home / 135,521.34-187,019.27-75,095.90

Finding the Fourth Proportional to 135,521.34, 187,019.27 and 75,095.90

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Solution

The fourth proportional to 135,521.34, 187,019.27 and 75,095.90 is: 103,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,521.34 : 187,019.27 = 75,095.90 : x
  2. Step 2: Convert to fraction form
    135,521.34/187,019.27 = 75,095.90/x
  3. Step 3: Cross multiply
    135,521.34x = 187,019.27 × 75,095.90
  4. Step 4: Simplify right side
    135,521.34x = 14,044,380,397.99
  5. Step 5: Solve for x
    x = 14,044,380,397.99/135,521.34
  6. Step 6: Final answer
    x = 103,632.24

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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.