Home / 159,838.16-220,575.56-88,218.18

Finding the Fourth Proportional to 159,838.16, 220,575.56 and 88,218.18

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Solution

The fourth proportional to 159,838.16, 220,575.56 and 88,218.18 is: 121,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,838.16 : 220,575.56 = 88,218.18 : x
  2. Step 2: Convert to fraction form
    159,838.16/220,575.56 = 88,218.18/x
  3. Step 3: Cross multiply
    159,838.16x = 220,575.56 × 88,218.18
  4. Step 4: Simplify right side
    159,838.16x = 19,458,774,455.68
  5. Step 5: Solve for x
    x = 19,458,774,455.68/159,838.16
  6. Step 6: Final answer
    x = 121,740.48

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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.