Home / 98,375.32-147,526.62-35,178.40

Finding the Fourth Proportional to 98,375.32, 147,526.62 and 35,178.40

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Solution

The fourth proportional to 98,375.32, 147,526.62 and 35,178.40 is: 52,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,375.32 : 147,526.62 = 35,178.40 : x
  2. Step 2: Convert to fraction form
    98,375.32/147,526.62 = 35,178.40/x
  3. Step 3: Cross multiply
    98,375.32x = 147,526.62 × 35,178.40
  4. Step 4: Simplify right side
    98,375.32x = 5,189,750,449.01
  5. Step 5: Solve for x
    x = 5,189,750,449.01/98,375.32
  6. Step 6: Final answer
    x = 52,754.60

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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.