Home / 140,454.38-210,702.56-51,701.14

Finding the Fourth Proportional to 140,454.38, 210,702.56 and 51,701.14

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Solution

The fourth proportional to 140,454.38, 210,702.56 and 51,701.14 is: 77,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.38 : 210,702.56 = 51,701.14 : x
  2. Step 2: Convert to fraction form
    140,454.38/210,702.56 = 51,701.14/x
  3. Step 3: Cross multiply
    140,454.38x = 210,702.56 × 51,701.14
  4. Step 4: Simplify right side
    140,454.38x = 10,893,562,552.92
  5. Step 5: Solve for x
    x = 10,893,562,552.92/140,454.38
  6. Step 6: Final answer
    x = 77,559.44

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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.