Home / 100,066.95-150,089.31-25,187.13

Finding the Fourth Proportional to 100,066.95, 150,089.31 and 25,187.13

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Solution

The fourth proportional to 100,066.95, 150,089.31 and 25,187.13 is: 37,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,066.95 : 150,089.31 = 25,187.13 : x
  2. Step 2: Convert to fraction form
    100,066.95/150,089.31 = 25,187.13/x
  3. Step 3: Cross multiply
    100,066.95x = 150,089.31 × 25,187.13
  4. Step 4: Simplify right side
    100,066.95x = 3,780,318,962.58
  5. Step 5: Solve for x
    x = 3,780,318,962.58/100,066.95
  6. Step 6: Final answer
    x = 37,777.90

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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.