Home / 226,733.28-312,878.28-124,755

Finding the Fourth Proportional to 226,733.28, 312,878.28 and 124,755

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Solution

The fourth proportional to 226,733.28, 312,878.28 and 124,755 is: 172,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,733.28 : 312,878.28 = 124,755 : x
  2. Step 2: Convert to fraction form
    226,733.28/312,878.28 = 124,755/x
  3. Step 3: Cross multiply
    226,733.28x = 312,878.28 × 124,755
  4. Step 4: Simplify right side
    226,733.28x = 39,033,129,821.40
  5. Step 5: Solve for x
    x = 39,033,129,821.40/226,733.28
  6. Step 6: Final answer
    x = 172,154.39

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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.