Home / 159,824.22-220,557-88,203.74

Finding the Fourth Proportional to 159,824.22, 220,557 and 88,203.74

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Solution

The fourth proportional to 159,824.22, 220,557 and 88,203.74 is: 121,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,824.22 : 220,557 = 88,203.74 : x
  2. Step 2: Convert to fraction form
    159,824.22/220,557 = 88,203.74/x
  3. Step 3: Cross multiply
    159,824.22x = 220,557 × 88,203.74
  4. Step 4: Simplify right side
    159,824.22x = 19,453,952,283.18
  5. Step 5: Solve for x
    x = 19,453,952,283.18/159,824.22
  6. Step 6: Final answer
    x = 121,720.93

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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.