Home / 160,487.39-221,472.56-88,867.40

Finding the Fourth Proportional to 160,487.39, 221,472.56 and 88,867.40

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Solution

The fourth proportional to 160,487.39, 221,472.56 and 88,867.40 is: 122,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,487.39 : 221,472.56 = 88,867.40 : x
  2. Step 2: Convert to fraction form
    160,487.39/221,472.56 = 88,867.40/x
  3. Step 3: Cross multiply
    160,487.39x = 221,472.56 × 88,867.40
  4. Step 4: Simplify right side
    160,487.39x = 19,681,689,693.35
  5. Step 5: Solve for x
    x = 19,681,689,693.35/160,487.39
  6. Step 6: Final answer
    x = 122,636.98

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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.