Home / 127,702.98-191,565.41-52,808.76

Finding the Fourth Proportional to 127,702.98, 191,565.41 and 52,808.76

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Solution

The fourth proportional to 127,702.98, 191,565.41 and 52,808.76 is: 79,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.98 : 191,565.41 = 52,808.76 : x
  2. Step 2: Convert to fraction form
    127,702.98/191,565.41 = 52,808.76/x
  3. Step 3: Cross multiply
    127,702.98x = 191,565.41 × 52,808.76
  4. Step 4: Simplify right side
    127,702.98x = 10,116,331,496.95
  5. Step 5: Solve for x
    x = 10,116,331,496.95/127,702.98
  6. Step 6: Final answer
    x = 79,217.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.