Home / 160,257.70-221,157.57-88,635.88

Finding the Fourth Proportional to 160,257.70, 221,157.57 and 88,635.88

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Solution

The fourth proportional to 160,257.70, 221,157.57 and 88,635.88 is: 122,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,257.70 : 221,157.57 = 88,635.88 : x
  2. Step 2: Convert to fraction form
    160,257.70/221,157.57 = 88,635.88/x
  3. Step 3: Cross multiply
    160,257.70x = 221,157.57 × 88,635.88
  4. Step 4: Simplify right side
    160,257.70x = 19,602,495,835.61
  5. Step 5: Solve for x
    x = 19,602,495,835.61/160,257.70
  6. Step 6: Final answer
    x = 122,318.59

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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.