Home / 207,930.25-286,944.05-112,436.95

Finding the Fourth Proportional to 207,930.25, 286,944.05 and 112,436.95

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Solution

The fourth proportional to 207,930.25, 286,944.05 and 112,436.95 is: 155,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,930.25 : 286,944.05 = 112,436.95 : x
  2. Step 2: Convert to fraction form
    207,930.25/286,944.05 = 112,436.95/x
  3. Step 3: Cross multiply
    207,930.25x = 286,944.05 × 112,436.95
  4. Step 4: Simplify right side
    207,930.25x = 32,263,111,805.74
  5. Step 5: Solve for x
    x = 32,263,111,805.74/207,930.25
  6. Step 6: Final answer
    x = 155,163.15

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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.