Home / 160,254.18-221,144.55-88,635.39

Finding the Fourth Proportional to 160,254.18, 221,144.55 and 88,635.39

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Solution

The fourth proportional to 160,254.18, 221,144.55 and 88,635.39 is: 122,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,254.18 : 221,144.55 = 88,635.39 : x
  2. Step 2: Convert to fraction form
    160,254.18/221,144.55 = 88,635.39/x
  3. Step 3: Cross multiply
    160,254.18x = 221,144.55 × 88,635.39
  4. Step 4: Simplify right side
    160,254.18x = 19,601,233,435.62
  5. Step 5: Solve for x
    x = 19,601,233,435.62/160,254.18
  6. Step 6: Final answer
    x = 122,313.40

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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.