Home / 144,024.20-215,746.95-71,759.14

Finding the Fourth Proportional to 144,024.20, 215,746.95 and 71,759.14

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Solution

The fourth proportional to 144,024.20, 215,746.95 and 71,759.14 is: 107,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.20 : 215,746.95 = 71,759.14 : x
  2. Step 2: Convert to fraction form
    144,024.20/215,746.95 = 71,759.14/x
  3. Step 3: Cross multiply
    144,024.20x = 215,746.95 × 71,759.14
  4. Step 4: Simplify right side
    144,024.20x = 15,481,816,482.64
  5. Step 5: Solve for x
    x = 15,481,816,482.64/144,024.20
  6. Step 6: Final answer
    x = 107,494.55

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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.