Home / 99,400.19-149,099.58-40,235.00

Finding the Fourth Proportional to 99,400.19, 149,099.58 and 40,235.00

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Solution

The fourth proportional to 99,400.19, 149,099.58 and 40,235.00 is: 60,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.19 : 149,099.58 = 40,235.00 : x
  2. Step 2: Convert to fraction form
    99,400.19/149,099.58 = 40,235.00/x
  3. Step 3: Cross multiply
    99,400.19x = 149,099.58 × 40,235.00
  4. Step 4: Simplify right side
    99,400.19x = 5,999,020,855.80
  5. Step 5: Solve for x
    x = 5,999,020,855.80/99,400.19
  6. Step 6: Final answer
    x = 60,352.21

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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.