Home / 98,181.34-135,570.14-80,034.91

Finding the Fourth Proportional to 98,181.34, 135,570.14 and 80,034.91

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Solution

The fourth proportional to 98,181.34, 135,570.14 and 80,034.91 is: 110,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,181.34 : 135,570.14 = 80,034.91 : x
  2. Step 2: Convert to fraction form
    98,181.34/135,570.14 = 80,034.91/x
  3. Step 3: Cross multiply
    98,181.34x = 135,570.14 × 80,034.91
  4. Step 4: Simplify right side
    98,181.34x = 10,850,343,814.75
  5. Step 5: Solve for x
    x = 10,850,343,814.75/98,181.34
  6. Step 6: Final answer
    x = 110,513.30

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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.