Home / 160,147.13-221,001.41-88,523.69

Finding the Fourth Proportional to 160,147.13, 221,001.41 and 88,523.69

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Solution

The fourth proportional to 160,147.13, 221,001.41 and 88,523.69 is: 122,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,147.13 : 221,001.41 = 88,523.69 : x
  2. Step 2: Convert to fraction form
    160,147.13/221,001.41 = 88,523.69/x
  3. Step 3: Cross multiply
    160,147.13x = 221,001.41 × 88,523.69
  4. Step 4: Simplify right side
    160,147.13x = 19,563,859,424.71
  5. Step 5: Solve for x
    x = 19,563,859,424.71/160,147.13
  6. Step 6: Final answer
    x = 122,161.79

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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.