Home / 134,909.74-202,532.28-87,369.22

Finding the Fourth Proportional to 134,909.74, 202,532.28 and 87,369.22

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Solution

The fourth proportional to 134,909.74, 202,532.28 and 87,369.22 is: 131,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,909.74 : 202,532.28 = 87,369.22 : x
  2. Step 2: Convert to fraction form
    134,909.74/202,532.28 = 87,369.22/x
  3. Step 3: Cross multiply
    134,909.74x = 202,532.28 × 87,369.22
  4. Step 4: Simplify right side
    134,909.74x = 17,695,087,328.42
  5. Step 5: Solve for x
    x = 17,695,087,328.42/134,909.74
  6. Step 6: Final answer
    x = 131,162.42

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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.