Home / 186,860.28-257,863.59-101,977.95

Finding the Fourth Proportional to 186,860.28, 257,863.59 and 101,977.95

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Solution

The fourth proportional to 186,860.28, 257,863.59 and 101,977.95 is: 140,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,860.28 : 257,863.59 = 101,977.95 : x
  2. Step 2: Convert to fraction form
    186,860.28/257,863.59 = 101,977.95/x
  3. Step 3: Cross multiply
    186,860.28x = 257,863.59 × 101,977.95
  4. Step 4: Simplify right side
    186,860.28x = 26,296,400,287.84
  5. Step 5: Solve for x
    x = 26,296,400,287.84/186,860.28
  6. Step 6: Final answer
    x = 140,727.61

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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.