Home / 438,299.30-657,195.42-171,747.74

Finding the Fourth Proportional to 438,299.30, 657,195.42 and 171,747.74

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Solution

The fourth proportional to 438,299.30, 657,195.42 and 171,747.74 is: 257,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,299.30 : 657,195.42 = 171,747.74 : x
  2. Step 2: Convert to fraction form
    438,299.30/657,195.42 = 171,747.74/x
  3. Step 3: Cross multiply
    438,299.30x = 657,195.42 × 171,747.74
  4. Step 4: Simplify right side
    438,299.30x = 112,871,828,123.35
  5. Step 5: Solve for x
    x = 112,871,828,123.35/438,299.30
  6. Step 6: Final answer
    x = 257,522.26

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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.