Home / 110,933.30-153,076.02-65,612.90

Finding the Fourth Proportional to 110,933.30, 153,076.02 and 65,612.90

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Solution

The fourth proportional to 110,933.30, 153,076.02 and 65,612.90 is: 90,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,933.30 : 153,076.02 = 65,612.90 : x
  2. Step 2: Convert to fraction form
    110,933.30/153,076.02 = 65,612.90/x
  3. Step 3: Cross multiply
    110,933.30x = 153,076.02 × 65,612.90
  4. Step 4: Simplify right side
    110,933.30x = 10,043,761,592.66
  5. Step 5: Solve for x
    x = 10,043,761,592.66/110,933.30
  6. Step 6: Final answer
    x = 90,538.74

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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.