Home / 99,425.04-149,144.84-28,346.32

Finding the Fourth Proportional to 99,425.04, 149,144.84 and 28,346.32

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Solution

The fourth proportional to 99,425.04, 149,144.84 and 28,346.32 is: 42,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,425.04 : 149,144.84 = 28,346.32 : x
  2. Step 2: Convert to fraction form
    99,425.04/149,144.84 = 28,346.32/x
  3. Step 3: Cross multiply
    99,425.04x = 149,144.84 × 28,346.32
  4. Step 4: Simplify right side
    99,425.04x = 4,227,707,360.99
  5. Step 5: Solve for x
    x = 4,227,707,360.99/99,425.04
  6. Step 6: Final answer
    x = 42,521.56

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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.