Home / 98,182.35-135,484.11-55,148.13

Finding the Fourth Proportional to 98,182.35, 135,484.11 and 55,148.13

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Solution

The fourth proportional to 98,182.35, 135,484.11 and 55,148.13 is: 76,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.35 : 135,484.11 = 55,148.13 : x
  2. Step 2: Convert to fraction form
    98,182.35/135,484.11 = 55,148.13/x
  3. Step 3: Cross multiply
    98,182.35x = 135,484.11 × 55,148.13
  4. Step 4: Simplify right side
    98,182.35x = 7,471,695,311.21
  5. Step 5: Solve for x
    x = 7,471,695,311.21/98,182.35
  6. Step 6: Final answer
    x = 76,100.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.