Home / 98,200.56-147,353.70-39,036.78

Finding the Fourth Proportional to 98,200.56, 147,353.70 and 39,036.78

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Solution

The fourth proportional to 98,200.56, 147,353.70 and 39,036.78 is: 58,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,200.56 : 147,353.70 = 39,036.78 : x
  2. Step 2: Convert to fraction form
    98,200.56/147,353.70 = 39,036.78/x
  3. Step 3: Cross multiply
    98,200.56x = 147,353.70 × 39,036.78
  4. Step 4: Simplify right side
    98,200.56x = 5,752,213,969.09
  5. Step 5: Solve for x
    x = 5,752,213,969.09/98,200.56
  6. Step 6: Final answer
    x = 58,576.18

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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.