Home / 98,216.80-147,325.20-28,096.12

Finding the Fourth Proportional to 98,216.80, 147,325.20 and 28,096.12

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Solution

The fourth proportional to 98,216.80, 147,325.20 and 28,096.12 is: 42,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,216.80 : 147,325.20 = 28,096.12 : x
  2. Step 2: Convert to fraction form
    98,216.80/147,325.20 = 28,096.12/x
  3. Step 3: Cross multiply
    98,216.80x = 147,325.20 × 28,096.12
  4. Step 4: Simplify right side
    98,216.80x = 4,139,266,498.22
  5. Step 5: Solve for x
    x = 4,139,266,498.22/98,216.80
  6. Step 6: Final answer
    x = 42,144.18

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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.