Home / 226,407.32-312,449.13-124,430.92

Finding the Fourth Proportional to 226,407.32, 312,449.13 and 124,430.92

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Solution

The fourth proportional to 226,407.32, 312,449.13 and 124,430.92 is: 171,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,407.32 : 312,449.13 = 124,430.92 : x
  2. Step 2: Convert to fraction form
    226,407.32/312,449.13 = 124,430.92/x
  3. Step 3: Cross multiply
    226,407.32x = 312,449.13 × 124,430.92
  4. Step 4: Simplify right side
    226,407.32x = 38,878,332,076.95
  5. Step 5: Solve for x
    x = 38,878,332,076.95/226,407.32
  6. Step 6: Final answer
    x = 171,718.53

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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.