Home / 159,637.34-220,282.66-88,013.10

Finding the Fourth Proportional to 159,637.34, 220,282.66 and 88,013.10

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Solution

The fourth proportional to 159,637.34, 220,282.66 and 88,013.10 is: 121,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,637.34 : 220,282.66 = 88,013.10 : x
  2. Step 2: Convert to fraction form
    159,637.34/220,282.66 = 88,013.10/x
  3. Step 3: Cross multiply
    159,637.34x = 220,282.66 × 88,013.10
  4. Step 4: Simplify right side
    159,637.34x = 19,387,759,782.85
  5. Step 5: Solve for x
    x = 19,387,759,782.85/159,637.34
  6. Step 6: Final answer
    x = 121,448.78

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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.