Home / 108,511.80-162,713.03-64,152.15

Finding the Fourth Proportional to 108,511.80, 162,713.03 and 64,152.15

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Solution

The fourth proportional to 108,511.80, 162,713.03 and 64,152.15 is: 96,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.80 : 162,713.03 = 64,152.15 : x
  2. Step 2: Convert to fraction form
    108,511.80/162,713.03 = 64,152.15/x
  3. Step 3: Cross multiply
    108,511.80x = 162,713.03 × 64,152.15
  4. Step 4: Simplify right side
    108,511.80x = 10,438,390,386.75
  5. Step 5: Solve for x
    x = 10,438,390,386.75/108,511.80
  6. Step 6: Final answer
    x = 96,195.90

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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.