Home / 130,282.97-179,708.63-100,022.18

Finding the Fourth Proportional to 130,282.97, 179,708.63 and 100,022.18

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Solution

The fourth proportional to 130,282.97, 179,708.63 and 100,022.18 is: 137,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,282.97 : 179,708.63 = 100,022.18 : x
  2. Step 2: Convert to fraction form
    130,282.97/179,708.63 = 100,022.18/x
  3. Step 3: Cross multiply
    130,282.97x = 179,708.63 × 100,022.18
  4. Step 4: Simplify right side
    130,282.97x = 17,974,847,538.76
  5. Step 5: Solve for x
    x = 17,974,847,538.76/130,282.97
  6. Step 6: Final answer
    x = 137,967.75

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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.