Home / 98,203.38-147,190.80-56,112.96

Finding the Fourth Proportional to 98,203.38, 147,190.80 and 56,112.96

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Solution

The fourth proportional to 98,203.38, 147,190.80 and 56,112.96 is: 84,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,203.38 : 147,190.80 = 56,112.96 : x
  2. Step 2: Convert to fraction form
    98,203.38/147,190.80 = 56,112.96/x
  3. Step 3: Cross multiply
    98,203.38x = 147,190.80 × 56,112.96
  4. Step 4: Simplify right side
    98,203.38x = 8,259,311,472.77
  5. Step 5: Solve for x
    x = 8,259,311,472.77/98,203.38
  6. Step 6: Final answer
    x = 84,104.15

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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.