Home / 141,082.02-211,538.16-66,218.58

Finding the Fourth Proportional to 141,082.02, 211,538.16 and 66,218.58

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Solution

The fourth proportional to 141,082.02, 211,538.16 and 66,218.58 is: 99,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,082.02 : 211,538.16 = 66,218.58 : x
  2. Step 2: Convert to fraction form
    141,082.02/211,538.16 = 66,218.58/x
  3. Step 3: Cross multiply
    141,082.02x = 211,538.16 × 66,218.58
  4. Step 4: Simplify right side
    141,082.02x = 14,007,756,571.01
  5. Step 5: Solve for x
    x = 14,007,756,571.01/141,082.02
  6. Step 6: Final answer
    x = 99,288.04

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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.