Home / 137,272.28-205,640.20-94,570.15

Finding the Fourth Proportional to 137,272.28, 205,640.20 and 94,570.15

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Solution

The fourth proportional to 137,272.28, 205,640.20 and 94,570.15 is: 141,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,272.28 : 205,640.20 = 94,570.15 : x
  2. Step 2: Convert to fraction form
    137,272.28/205,640.20 = 94,570.15/x
  3. Step 3: Cross multiply
    137,272.28x = 205,640.20 × 94,570.15
  4. Step 4: Simplify right side
    137,272.28x = 19,447,424,560.03
  5. Step 5: Solve for x
    x = 19,447,424,560.03/137,272.28
  6. Step 6: Final answer
    x = 141,670.44

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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.