Home / 100,249.93-149,490.25-99,350.02

Finding the Fourth Proportional to 100,249.93, 149,490.25 and 99,350.02

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Solution

The fourth proportional to 100,249.93, 149,490.25 and 99,350.02 is: 148,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,249.93 : 149,490.25 = 99,350.02 : x
  2. Step 2: Convert to fraction form
    100,249.93/149,490.25 = 99,350.02/x
  3. Step 3: Cross multiply
    100,249.93x = 149,490.25 × 99,350.02
  4. Step 4: Simplify right side
    100,249.93x = 14,851,859,327.31
  5. Step 5: Solve for x
    x = 14,851,859,327.31/100,249.93
  6. Step 6: Final answer
    x = 148,148.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.