Home / 144,500.57-199,397.27-90,047.69

Finding the Fourth Proportional to 144,500.57, 199,397.27 and 90,047.69

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Solution

The fourth proportional to 144,500.57, 199,397.27 and 90,047.69 is: 124,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,500.57 : 199,397.27 = 90,047.69 : x
  2. Step 2: Convert to fraction form
    144,500.57/199,397.27 = 90,047.69/x
  3. Step 3: Cross multiply
    144,500.57x = 199,397.27 × 90,047.69
  4. Step 4: Simplify right side
    144,500.57x = 17,955,263,105.57
  5. Step 5: Solve for x
    x = 17,955,263,105.57/144,500.57
  6. Step 6: Final answer
    x = 124,257.39

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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.