Home / 111,514.19-153,891.87-63,116.11

Finding the Fourth Proportional to 111,514.19, 153,891.87 and 63,116.11

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Solution

The fourth proportional to 111,514.19, 153,891.87 and 63,116.11 is: 87,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,514.19 : 153,891.87 = 63,116.11 : x
  2. Step 2: Convert to fraction form
    111,514.19/153,891.87 = 63,116.11/x
  3. Step 3: Cross multiply
    111,514.19x = 153,891.87 × 63,116.11
  4. Step 4: Simplify right side
    111,514.19x = 9,713,056,150.71
  5. Step 5: Solve for x
    x = 9,713,056,150.71/111,514.19
  6. Step 6: Final answer
    x = 87,101.53

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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.