Home / 224,537.90-309,862.11-123,935.66

Finding the Fourth Proportional to 224,537.90, 309,862.11 and 123,935.66

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Solution

The fourth proportional to 224,537.90, 309,862.11 and 123,935.66 is: 171,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,537.90 : 309,862.11 = 123,935.66 : x
  2. Step 2: Convert to fraction form
    224,537.90/309,862.11 = 123,935.66/x
  3. Step 3: Cross multiply
    224,537.90x = 309,862.11 × 123,935.66
  4. Step 4: Simplify right side
    224,537.90x = 38,402,965,111.84
  5. Step 5: Solve for x
    x = 38,402,965,111.84/224,537.90
  6. Step 6: Final answer
    x = 171,031.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.