Home / 141,950.28-195,882.93-81,530.76

Finding the Fourth Proportional to 141,950.28, 195,882.93 and 81,530.76

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Solution

The fourth proportional to 141,950.28, 195,882.93 and 81,530.76 is: 112,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,950.28 : 195,882.93 = 81,530.76 : x
  2. Step 2: Convert to fraction form
    141,950.28/195,882.93 = 81,530.76/x
  3. Step 3: Cross multiply
    141,950.28x = 195,882.93 × 81,530.76
  4. Step 4: Simplify right side
    141,950.28x = 15,970,484,153.93
  5. Step 5: Solve for x
    x = 15,970,484,153.93/141,950.28
  6. Step 6: Final answer
    x = 112,507.59

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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.