Home / 159,726.36-220,421.16-88,104.84

Finding the Fourth Proportional to 159,726.36, 220,421.16 and 88,104.84

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Solution

The fourth proportional to 159,726.36, 220,421.16 and 88,104.84 is: 121,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,726.36 : 220,421.16 = 88,104.84 : x
  2. Step 2: Convert to fraction form
    159,726.36/220,421.16 = 88,104.84/x
  3. Step 3: Cross multiply
    159,726.36x = 220,421.16 × 88,104.84
  4. Step 4: Simplify right side
    159,726.36x = 19,420,171,034.41
  5. Step 5: Solve for x
    x = 19,420,171,034.41/159,726.36
  6. Step 6: Final answer
    x = 121,584.01

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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.