Home / 104,636.10-156,954.15-91,514.10

Finding the Fourth Proportional to 104,636.10, 156,954.15 and 91,514.10

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Solution

The fourth proportional to 104,636.10, 156,954.15 and 91,514.10 is: 137,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.10 : 156,954.15 = 91,514.10 : x
  2. Step 2: Convert to fraction form
    104,636.10/156,954.15 = 91,514.10/x
  3. Step 3: Cross multiply
    104,636.10x = 156,954.15 × 91,514.10
  4. Step 4: Simplify right side
    104,636.10x = 14,363,517,778.52
  5. Step 5: Solve for x
    x = 14,363,517,778.52/104,636.10
  6. Step 6: Final answer
    x = 137,271.15

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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.