Home / 99,638.20-149,457.30-95,750.20

Finding the Fourth Proportional to 99,638.20, 149,457.30 and 95,750.20

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Solution

The fourth proportional to 99,638.20, 149,457.30 and 95,750.20 is: 143,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,638.20 : 149,457.30 = 95,750.20 : x
  2. Step 2: Convert to fraction form
    99,638.20/149,457.30 = 95,750.20/x
  3. Step 3: Cross multiply
    99,638.20x = 149,457.30 × 95,750.20
  4. Step 4: Simplify right side
    99,638.20x = 14,310,566,366.46
  5. Step 5: Solve for x
    x = 14,310,566,366.46/99,638.20
  6. Step 6: Final answer
    x = 143,625.30

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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.