Home / 144,314.15-199,159.68-80,651.95

Finding the Fourth Proportional to 144,314.15, 199,159.68 and 80,651.95

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Solution

The fourth proportional to 144,314.15, 199,159.68 and 80,651.95 is: 111,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,314.15 : 199,159.68 = 80,651.95 : x
  2. Step 2: Convert to fraction form
    144,314.15/199,159.68 = 80,651.95/x
  3. Step 3: Cross multiply
    144,314.15x = 199,159.68 × 80,651.95
  4. Step 4: Simplify right side
    144,314.15x = 16,062,615,154.32
  5. Step 5: Solve for x
    x = 16,062,615,154.32/144,314.15
  6. Step 6: Final answer
    x = 111,303.12

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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.