Home / 141,202.08-194,859-77,543.10

Finding the Fourth Proportional to 141,202.08, 194,859 and 77,543.10

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Solution

The fourth proportional to 141,202.08, 194,859 and 77,543.10 is: 107,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,202.08 : 194,859 = 77,543.10 : x
  2. Step 2: Convert to fraction form
    141,202.08/194,859 = 77,543.10/x
  3. Step 3: Cross multiply
    141,202.08x = 194,859 × 77,543.10
  4. Step 4: Simplify right side
    141,202.08x = 15,109,970,922.90
  5. Step 5: Solve for x
    x = 15,109,970,922.90/141,202.08
  6. Step 6: Final answer
    x = 107,009.55

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1.5x scale

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.