Home / 98,316.30-147,458.25-42,165.48

Finding the Fourth Proportional to 98,316.30, 147,458.25 and 42,165.48

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Solution

The fourth proportional to 98,316.30, 147,458.25 and 42,165.48 is: 63,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.30 : 147,458.25 = 42,165.48 : x
  2. Step 2: Convert to fraction form
    98,316.30/147,458.25 = 42,165.48/x
  3. Step 3: Cross multiply
    98,316.30x = 147,458.25 × 42,165.48
  4. Step 4: Simplify right side
    98,316.30x = 6,217,647,891.21
  5. Step 5: Solve for x
    x = 6,217,647,891.21/98,316.30
  6. Step 6: Final answer
    x = 63,241.27

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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.