Home / 98,520.32-147,839.36-36,197.12

Finding the Fourth Proportional to 98,520.32, 147,839.36 and 36,197.12

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Solution

The fourth proportional to 98,520.32, 147,839.36 and 36,197.12 is: 54,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520.32 : 147,839.36 = 36,197.12 : x
  2. Step 2: Convert to fraction form
    98,520.32/147,839.36 = 36,197.12/x
  3. Step 3: Cross multiply
    98,520.32x = 147,839.36 × 36,197.12
  4. Step 4: Simplify right side
    98,520.32x = 5,351,359,054.64
  5. Step 5: Solve for x
    x = 5,351,359,054.64/98,520.32
  6. Step 6: Final answer
    x = 54,317.31

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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.