Home / 98,326.20-147,566.10-45,742.20

Finding the Fourth Proportional to 98,326.20, 147,566.10 and 45,742.20

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Solution

The fourth proportional to 98,326.20, 147,566.10 and 45,742.20 is: 68,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,326.20 : 147,566.10 = 45,742.20 : x
  2. Step 2: Convert to fraction form
    98,326.20/147,566.10 = 45,742.20/x
  3. Step 3: Cross multiply
    98,326.20x = 147,566.10 × 45,742.20
  4. Step 4: Simplify right side
    98,326.20x = 6,749,998,059.42
  5. Step 5: Solve for x
    x = 6,749,998,059.42/98,326.20
  6. Step 6: Final answer
    x = 68,649.03

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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.