Home / 160,776.24-221,883.75-89,170.26

Finding the Fourth Proportional to 160,776.24, 221,883.75 and 89,170.26

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Solution

The fourth proportional to 160,776.24, 221,883.75 and 89,170.26 is: 123,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,776.24 : 221,883.75 = 89,170.26 : x
  2. Step 2: Convert to fraction form
    160,776.24/221,883.75 = 89,170.26/x
  3. Step 3: Cross multiply
    160,776.24x = 221,883.75 × 89,170.26
  4. Step 4: Simplify right side
    160,776.24x = 19,785,431,677.28
  5. Step 5: Solve for x
    x = 19,785,431,677.28/160,776.24
  6. Step 6: Final answer
    x = 123,061.91

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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.