Home / 112,268.20-154,930.02-61,967.08

Finding the Fourth Proportional to 112,268.20, 154,930.02 and 61,967.08

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Solution

The fourth proportional to 112,268.20, 154,930.02 and 61,967.08 is: 85,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.20 : 154,930.02 = 61,967.08 : x
  2. Step 2: Convert to fraction form
    112,268.20/154,930.02 = 61,967.08/x
  3. Step 3: Cross multiply
    112,268.20x = 154,930.02 × 61,967.08
  4. Step 4: Simplify right side
    112,268.20x = 9,600,560,943.74
  5. Step 5: Solve for x
    x = 9,600,560,943.74/112,268.20
  6. Step 6: Final answer
    x = 85,514.52

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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.