Home / 218,627.19-301,701.92-123,133.59

Finding the Fourth Proportional to 218,627.19, 301,701.92 and 123,133.59

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Solution

The fourth proportional to 218,627.19, 301,701.92 and 123,133.59 is: 169,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.19 : 301,701.92 = 123,133.59 : x
  2. Step 2: Convert to fraction form
    218,627.19/301,701.92 = 123,133.59/x
  3. Step 3: Cross multiply
    218,627.19x = 301,701.92 × 123,133.59
  4. Step 4: Simplify right side
    218,627.19x = 37,149,639,903.82
  5. Step 5: Solve for x
    x = 37,149,639,903.82/218,627.19
  6. Step 6: Final answer
    x = 169,922.32

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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.