Home / 220,066.48-329,901.67-79,726.69

Finding the Fourth Proportional to 220,066.48, 329,901.67 and 79,726.69

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Solution

The fourth proportional to 220,066.48, 329,901.67 and 79,726.69 is: 119,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,066.48 : 329,901.67 = 79,726.69 : x
  2. Step 2: Convert to fraction form
    220,066.48/329,901.67 = 79,726.69/x
  3. Step 3: Cross multiply
    220,066.48x = 329,901.67 × 79,726.69
  4. Step 4: Simplify right side
    220,066.48x = 26,301,967,150.50
  5. Step 5: Solve for x
    x = 26,301,967,150.50/220,066.48
  6. Step 6: Final answer
    x = 119,518.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.