Home / 110,965.22-153,121.02-63,215.72

Finding the Fourth Proportional to 110,965.22, 153,121.02 and 63,215.72

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Solution

The fourth proportional to 110,965.22, 153,121.02 and 63,215.72 is: 87,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965.22 : 153,121.02 = 63,215.72 : x
  2. Step 2: Convert to fraction form
    110,965.22/153,121.02 = 63,215.72/x
  3. Step 3: Cross multiply
    110,965.22x = 153,121.02 × 63,215.72
  4. Step 4: Simplify right side
    110,965.22x = 9,679,655,526.43
  5. Step 5: Solve for x
    x = 9,679,655,526.43/110,965.22
  6. Step 6: Final answer
    x = 87,231.44

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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.