Home / 99,525.40-149,288.10-98,834.20

Finding the Fourth Proportional to 99,525.40, 149,288.10 and 98,834.20

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Solution

The fourth proportional to 99,525.40, 149,288.10 and 98,834.20 is: 148,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525.40 : 149,288.10 = 98,834.20 : x
  2. Step 2: Convert to fraction form
    99,525.40/149,288.10 = 98,834.20/x
  3. Step 3: Cross multiply
    99,525.40x = 149,288.10 × 98,834.20
  4. Step 4: Simplify right side
    99,525.40x = 14,754,769,933.02
  5. Step 5: Solve for x
    x = 14,754,769,933.02/99,525.40
  6. Step 6: Final answer
    x = 148,251.30

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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.