Home / 144,317.23-199,158.09-80,655.04

Finding the Fourth Proportional to 144,317.23, 199,158.09 and 80,655.04

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Solution

The fourth proportional to 144,317.23, 199,158.09 and 80,655.04 is: 111,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,317.23 : 199,158.09 = 80,655.04 : x
  2. Step 2: Convert to fraction form
    144,317.23/199,158.09 = 80,655.04/x
  3. Step 3: Cross multiply
    144,317.23x = 199,158.09 × 80,655.04
  4. Step 4: Simplify right side
    144,317.23x = 16,063,103,715.27
  5. Step 5: Solve for x
    x = 16,063,103,715.27/144,317.23
  6. Step 6: Final answer
    x = 111,304.13

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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.