Home / 226,748.76-312,916.13-124,785.96

Finding the Fourth Proportional to 226,748.76, 312,916.13 and 124,785.96

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Solution

The fourth proportional to 226,748.76, 312,916.13 and 124,785.96 is: 172,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,748.76 : 312,916.13 = 124,785.96 : x
  2. Step 2: Convert to fraction form
    226,748.76/312,916.13 = 124,785.96/x
  3. Step 3: Cross multiply
    226,748.76x = 312,916.13 × 124,785.96
  4. Step 4: Simplify right side
    226,748.76x = 39,047,539,681.53
  5. Step 5: Solve for x
    x = 39,047,539,681.53/226,748.76
  6. Step 6: Final answer
    x = 172,206.19

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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.