Home / 123,537.18-170,418.69-82,702.92

Finding the Fourth Proportional to 123,537.18, 170,418.69 and 82,702.92

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Solution

The fourth proportional to 123,537.18, 170,418.69 and 82,702.92 is: 114,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537.18 : 170,418.69 = 82,702.92 : x
  2. Step 2: Convert to fraction form
    123,537.18/170,418.69 = 82,702.92/x
  3. Step 3: Cross multiply
    123,537.18x = 170,418.69 × 82,702.92
  4. Step 4: Simplify right side
    123,537.18x = 14,094,123,285.57
  5. Step 5: Solve for x
    x = 14,094,123,285.57/123,537.18
  6. Step 6: Final answer
    x = 114,088.11

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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.