Home / 141,106.29-211,728.66-66,232.56

Finding the Fourth Proportional to 141,106.29, 211,728.66 and 66,232.56

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Solution

The fourth proportional to 141,106.29, 211,728.66 and 66,232.56 is: 99,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,106.29 : 211,728.66 = 66,232.56 : x
  2. Step 2: Convert to fraction form
    141,106.29/211,728.66 = 66,232.56/x
  3. Step 3: Cross multiply
    141,106.29x = 211,728.66 × 66,232.56
  4. Step 4: Simplify right side
    141,106.29x = 14,023,331,177.17
  5. Step 5: Solve for x
    x = 14,023,331,177.17/141,106.29
  6. Step 6: Final answer
    x = 99,381.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.