Home / 197,955.20-296,932.80-57,718.40

Finding the Fourth Proportional to 197,955.20, 296,932.80 and 57,718.40

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Solution

The fourth proportional to 197,955.20, 296,932.80 and 57,718.40 is: 86,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,955.20 : 296,932.80 = 57,718.40 : x
  2. Step 2: Convert to fraction form
    197,955.20/296,932.80 = 57,718.40/x
  3. Step 3: Cross multiply
    197,955.20x = 296,932.80 × 57,718.40
  4. Step 4: Simplify right side
    197,955.20x = 17,138,486,123.52
  5. Step 5: Solve for x
    x = 17,138,486,123.52/197,955.20
  6. Step 6: Final answer
    x = 86,577.60

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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.