Home / 140,508.53-193,901.35-75,977.32

Finding the Fourth Proportional to 140,508.53, 193,901.35 and 75,977.32

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Solution

The fourth proportional to 140,508.53, 193,901.35 and 75,977.32 is: 104,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,508.53 : 193,901.35 = 75,977.32 : x
  2. Step 2: Convert to fraction form
    140,508.53/193,901.35 = 75,977.32/x
  3. Step 3: Cross multiply
    140,508.53x = 193,901.35 × 75,977.32
  4. Step 4: Simplify right side
    140,508.53x = 14,732,104,917.38
  5. Step 5: Solve for x
    x = 14,732,104,917.38/140,508.53
  6. Step 6: Final answer
    x = 104,848.47

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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.