Home / 226,387.93-312,400.23-124,411.20

Finding the Fourth Proportional to 226,387.93, 312,400.23 and 124,411.20

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Solution

The fourth proportional to 226,387.93, 312,400.23 and 124,411.20 is: 171,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,387.93 : 312,400.23 = 124,411.20 : x
  2. Step 2: Convert to fraction form
    226,387.93/312,400.23 = 124,411.20/x
  3. Step 3: Cross multiply
    226,387.93x = 312,400.23 × 124,411.20
  4. Step 4: Simplify right side
    226,387.93x = 38,866,087,494.58
  5. Step 5: Solve for x
    x = 38,866,087,494.58/226,387.93
  6. Step 6: Final answer
    x = 171,679.15

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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.