Home / 160,702.07-221,770.66-91,800.66

Finding the Fourth Proportional to 160,702.07, 221,770.66 and 91,800.66

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Solution

The fourth proportional to 160,702.07, 221,770.66 and 91,800.66 is: 126,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,702.07 : 221,770.66 = 91,800.66 : x
  2. Step 2: Convert to fraction form
    160,702.07/221,770.66 = 91,800.66/x
  3. Step 3: Cross multiply
    160,702.07x = 221,770.66 × 91,800.66
  4. Step 4: Simplify right side
    160,702.07x = 20,358,692,125.00
  5. Step 5: Solve for x
    x = 20,358,692,125.00/160,702.07
  6. Step 6: Final answer
    x = 126,685.93

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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.