Home / 112,260.25-154,919.35-61,959.25

Finding the Fourth Proportional to 112,260.25, 154,919.35 and 61,959.25

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Solution

The fourth proportional to 112,260.25, 154,919.35 and 61,959.25 is: 85,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.25 : 154,919.35 = 61,959.25 : x
  2. Step 2: Convert to fraction form
    112,260.25/154,919.35 = 61,959.25/x
  3. Step 3: Cross multiply
    112,260.25x = 154,919.35 × 61,959.25
  4. Step 4: Simplify right side
    112,260.25x = 9,598,686,736.49
  5. Step 5: Solve for x
    x = 9,598,686,736.49/112,260.25
  6. Step 6: Final answer
    x = 85,503.88

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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.