Home / 226,767.20-312,938.79-124,792.67

Finding the Fourth Proportional to 226,767.20, 312,938.79 and 124,792.67

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Solution

The fourth proportional to 226,767.20, 312,938.79 and 124,792.67 is: 172,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,767.20 : 312,938.79 = 124,792.67 : x
  2. Step 2: Convert to fraction form
    226,767.20/312,938.79 = 124,792.67/x
  3. Step 3: Cross multiply
    226,767.20x = 312,938.79 × 124,792.67
  4. Step 4: Simplify right side
    226,767.20x = 39,052,465,854.19
  5. Step 5: Solve for x
    x = 39,052,465,854.19/226,767.20
  6. Step 6: Final answer
    x = 172,213.91

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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.