Home / 140,034.64-193,264.41-79,614.40

Finding the Fourth Proportional to 140,034.64, 193,264.41 and 79,614.40

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Solution

The fourth proportional to 140,034.64, 193,264.41 and 79,614.40 is: 109,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,034.64 : 193,264.41 = 79,614.40 : x
  2. Step 2: Convert to fraction form
    140,034.64/193,264.41 = 79,614.40/x
  3. Step 3: Cross multiply
    140,034.64x = 193,264.41 × 79,614.40
  4. Step 4: Simplify right side
    140,034.64x = 15,386,630,043.50
  5. Step 5: Solve for x
    x = 15,386,630,043.50/140,034.64
  6. Step 6: Final answer
    x = 109,877.31

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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.