Home / 153,528.28-211,874.87-88,999.63

Finding the Fourth Proportional to 153,528.28, 211,874.87 and 88,999.63

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Solution

The fourth proportional to 153,528.28, 211,874.87 and 88,999.63 is: 122,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,528.28 : 211,874.87 = 88,999.63 : x
  2. Step 2: Convert to fraction form
    153,528.28/211,874.87 = 88,999.63/x
  3. Step 3: Cross multiply
    153,528.28x = 211,874.87 × 88,999.63
  4. Step 4: Simplify right side
    153,528.28x = 18,856,784,729.11
  5. Step 5: Solve for x
    x = 18,856,784,729.11/153,528.28
  6. Step 6: Final answer
    x = 122,822.88

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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.