Home / 195,931.18-270,387.98-109,909.23

Finding the Fourth Proportional to 195,931.18, 270,387.98 and 109,909.23

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Solution

The fourth proportional to 195,931.18, 270,387.98 and 109,909.23 is: 151,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,931.18 : 270,387.98 = 109,909.23 : x
  2. Step 2: Convert to fraction form
    195,931.18/270,387.98 = 109,909.23/x
  3. Step 3: Cross multiply
    195,931.18x = 270,387.98 × 109,909.23
  4. Step 4: Simplify right side
    195,931.18x = 29,718,134,683.06
  5. Step 5: Solve for x
    x = 29,718,134,683.06/195,931.18
  6. Step 6: Final answer
    x = 151,676.39

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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.