Home / 137,097.75-205,570.22-42,301.02

Finding the Fourth Proportional to 137,097.75, 205,570.22 and 42,301.02

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Solution

The fourth proportional to 137,097.75, 205,570.22 and 42,301.02 is: 63,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,097.75 : 205,570.22 = 42,301.02 : x
  2. Step 2: Convert to fraction form
    137,097.75/205,570.22 = 42,301.02/x
  3. Step 3: Cross multiply
    137,097.75x = 205,570.22 × 42,301.02
  4. Step 4: Simplify right side
    137,097.75x = 8,695,829,987.62
  5. Step 5: Solve for x
    x = 8,695,829,987.62/137,097.75
  6. Step 6: Final answer
    x = 63,427.96

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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.