Home / 137,257.32-205,925.22-43,770.36

Finding the Fourth Proportional to 137,257.32, 205,925.22 and 43,770.36

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Solution

The fourth proportional to 137,257.32, 205,925.22 and 43,770.36 is: 65,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,257.32 : 205,925.22 = 43,770.36 : x
  2. Step 2: Convert to fraction form
    137,257.32/205,925.22 = 43,770.36/x
  3. Step 3: Cross multiply
    137,257.32x = 205,925.22 × 43,770.36
  4. Step 4: Simplify right side
    137,257.32x = 9,013,421,012.48
  5. Step 5: Solve for x
    x = 9,013,421,012.48/137,257.32
  6. Step 6: Final answer
    x = 65,668.05

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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.