Home / 141,697.84-195,545.46-78,035.08

Finding the Fourth Proportional to 141,697.84, 195,545.46 and 78,035.08

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Solution

The fourth proportional to 141,697.84, 195,545.46 and 78,035.08 is: 107,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,697.84 : 195,545.46 = 78,035.08 : x
  2. Step 2: Convert to fraction form
    141,697.84/195,545.46 = 78,035.08/x
  3. Step 3: Cross multiply
    141,697.84x = 195,545.46 × 78,035.08
  4. Step 4: Simplify right side
    141,697.84x = 15,259,405,614.74
  5. Step 5: Solve for x
    x = 15,259,405,614.74/141,697.84
  6. Step 6: Final answer
    x = 107,689.75

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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.