Home / 218,232.12-301,115.16-127,570.56

Finding the Fourth Proportional to 218,232.12, 301,115.16 and 127,570.56

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Solution

The fourth proportional to 218,232.12, 301,115.16 and 127,570.56 is: 176,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,232.12 : 301,115.16 = 127,570.56 : x
  2. Step 2: Convert to fraction form
    218,232.12/301,115.16 = 127,570.56/x
  3. Step 3: Cross multiply
    218,232.12x = 301,115.16 × 127,570.56
  4. Step 4: Simplify right side
    218,232.12x = 38,413,429,585.69
  5. Step 5: Solve for x
    x = 38,413,429,585.69/218,232.12
  6. Step 6: Final answer
    x = 176,020.97

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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.