Home / 125,237.13-172,827.84-74,936.13

Finding the Fourth Proportional to 125,237.13, 172,827.84 and 74,936.13

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Solution

The fourth proportional to 125,237.13, 172,827.84 and 74,936.13 is: 103,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237.13 : 172,827.84 = 74,936.13 : x
  2. Step 2: Convert to fraction form
    125,237.13/172,827.84 = 74,936.13/x
  3. Step 3: Cross multiply
    125,237.13x = 172,827.84 × 74,936.13
  4. Step 4: Simplify right side
    125,237.13x = 12,951,048,621.72
  5. Step 5: Solve for x
    x = 12,951,048,621.72/125,237.13
  6. Step 6: Final answer
    x = 103,412.22

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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.