Home / 141,586.75-195,390.27-77,926.81

Finding the Fourth Proportional to 141,586.75, 195,390.27 and 77,926.81

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Solution

The fourth proportional to 141,586.75, 195,390.27 and 77,926.81 is: 107,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,586.75 : 195,390.27 = 77,926.81 : x
  2. Step 2: Convert to fraction form
    141,586.75/195,390.27 = 77,926.81/x
  3. Step 3: Cross multiply
    141,586.75x = 195,390.27 × 77,926.81
  4. Step 4: Simplify right side
    141,586.75x = 15,226,140,446.14
  5. Step 5: Solve for x
    x = 15,226,140,446.14/141,586.75
  6. Step 6: Final answer
    x = 107,539.30

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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.