Home / 99,754.20-149,631.30-73,510.20

Finding the Fourth Proportional to 99,754.20, 149,631.30 and 73,510.20

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Solution

The fourth proportional to 99,754.20, 149,631.30 and 73,510.20 is: 110,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,754.20 : 149,631.30 = 73,510.20 : x
  2. Step 2: Convert to fraction form
    99,754.20/149,631.30 = 73,510.20/x
  3. Step 3: Cross multiply
    99,754.20x = 149,631.30 × 73,510.20
  4. Step 4: Simplify right side
    99,754.20x = 10,999,426,789.26
  5. Step 5: Solve for x
    x = 10,999,426,789.26/99,754.20
  6. Step 6: Final answer
    x = 110,265.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.