Home / 137,261.43-205,824.53-57,275.19

Finding the Fourth Proportional to 137,261.43, 205,824.53 and 57,275.19

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Solution

The fourth proportional to 137,261.43, 205,824.53 and 57,275.19 is: 85,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,261.43 : 205,824.53 = 57,275.19 : x
  2. Step 2: Convert to fraction form
    137,261.43/205,824.53 = 57,275.19/x
  3. Step 3: Cross multiply
    137,261.43x = 205,824.53 × 57,275.19
  4. Step 4: Simplify right side
    137,261.43x = 11,788,638,776.03
  5. Step 5: Solve for x
    x = 11,788,638,776.03/137,261.43
  6. Step 6: Final answer
    x = 85,884.57

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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.