Home / 112,260.28-154,918.44-61,959.28

Finding the Fourth Proportional to 112,260.28, 154,918.44 and 61,959.28

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Solution

The fourth proportional to 112,260.28, 154,918.44 and 61,959.28 is: 85,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.28 : 154,918.44 = 61,959.28 : x
  2. Step 2: Convert to fraction form
    112,260.28/154,918.44 = 61,959.28/x
  3. Step 3: Cross multiply
    112,260.28x = 154,918.44 × 61,959.28
  4. Step 4: Simplify right side
    112,260.28x = 9,598,635,001.12
  5. Step 5: Solve for x
    x = 9,598,635,001.12/112,260.28
  6. Step 6: Final answer
    x = 85,503.39

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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.