Home / 140,491.15-193,818.98-92,104.70

Finding the Fourth Proportional to 140,491.15, 193,818.98 and 92,104.70

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Solution

The fourth proportional to 140,491.15, 193,818.98 and 92,104.70 is: 127,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,491.15 : 193,818.98 = 92,104.70 : x
  2. Step 2: Convert to fraction form
    140,491.15/193,818.98 = 92,104.70/x
  3. Step 3: Cross multiply
    140,491.15x = 193,818.98 × 92,104.70
  4. Step 4: Simplify right side
    140,491.15x = 17,851,638,268.37
  5. Step 5: Solve for x
    x = 17,851,638,268.37/140,491.15
  6. Step 6: Final answer
    x = 127,065.93

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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.