Home / 117,702.98-176,499.18-42,770.28

Finding the Fourth Proportional to 117,702.98, 176,499.18 and 42,770.28

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Solution

The fourth proportional to 117,702.98, 176,499.18 and 42,770.28 is: 64,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702.98 : 176,499.18 = 42,770.28 : x
  2. Step 2: Convert to fraction form
    117,702.98/176,499.18 = 42,770.28/x
  3. Step 3: Cross multiply
    117,702.98x = 176,499.18 × 42,770.28
  4. Step 4: Simplify right side
    117,702.98x = 7,548,919,348.37
  5. Step 5: Solve for x
    x = 7,548,919,348.37/117,702.98
  6. Step 6: Final answer
    x = 64,135.33

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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.