Home / 438,049.30-657,079.17-171,935.14

Finding the Fourth Proportional to 438,049.30, 657,079.17 and 171,935.14

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Solution

The fourth proportional to 438,049.30, 657,079.17 and 171,935.14 is: 257,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049.30 : 657,079.17 = 171,935.14 : x
  2. Step 2: Convert to fraction form
    438,049.30/657,079.17 = 171,935.14/x
  3. Step 3: Cross multiply
    438,049.30x = 657,079.17 × 171,935.14
  4. Step 4: Simplify right side
    438,049.30x = 112,974,999,085.03
  5. Step 5: Solve for x
    x = 112,974,999,085.03/438,049.30
  6. Step 6: Final answer
    x = 257,904.76

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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.