Home / 144,337.50-199,182.33-80,681.22

Finding the Fourth Proportional to 144,337.50, 199,182.33 and 80,681.22

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Solution

The fourth proportional to 144,337.50, 199,182.33 and 80,681.22 is: 111,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,337.50 : 199,182.33 = 80,681.22 : x
  2. Step 2: Convert to fraction form
    144,337.50/199,182.33 = 80,681.22/x
  3. Step 3: Cross multiply
    144,337.50x = 199,182.33 × 80,681.22
  4. Step 4: Simplify right side
    144,337.50x = 16,070,273,386.84
  5. Step 5: Solve for x
    x = 16,070,273,386.84/144,337.50
  6. Step 6: Final answer
    x = 111,338.17

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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.