Home / 159,880.41-220,634.16-88,260.25

Finding the Fourth Proportional to 159,880.41, 220,634.16 and 88,260.25

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Solution

The fourth proportional to 159,880.41, 220,634.16 and 88,260.25 is: 121,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,880.41 : 220,634.16 = 88,260.25 : x
  2. Step 2: Convert to fraction form
    159,880.41/220,634.16 = 88,260.25/x
  3. Step 3: Cross multiply
    159,880.41x = 220,634.16 × 88,260.25
  4. Step 4: Simplify right side
    159,880.41x = 19,473,226,120.14
  5. Step 5: Solve for x
    x = 19,473,226,120.14/159,880.41
  6. Step 6: Final answer
    x = 121,798.70

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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.