Home / 438,051.30-657,082.17-171,937.14

Finding the Fourth Proportional to 438,051.30, 657,082.17 and 171,937.14

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Solution

The fourth proportional to 438,051.30, 657,082.17 and 171,937.14 is: 257,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,051.30 : 657,082.17 = 171,937.14 : x
  2. Step 2: Convert to fraction form
    438,051.30/657,082.17 = 171,937.14/x
  3. Step 3: Cross multiply
    438,051.30x = 657,082.17 × 171,937.14
  4. Step 4: Simplify right side
    438,051.30x = 112,976,829,054.79
  5. Step 5: Solve for x
    x = 112,976,829,054.79/438,051.30
  6. Step 6: Final answer
    x = 257,907.76

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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.