Home / 104,623.10-156,934.65-91,501.10

Finding the Fourth Proportional to 104,623.10, 156,934.65 and 91,501.10

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Solution

The fourth proportional to 104,623.10, 156,934.65 and 91,501.10 is: 137,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.10 : 156,934.65 = 91,501.10 : x
  2. Step 2: Convert to fraction form
    104,623.10/156,934.65 = 91,501.10/x
  3. Step 3: Cross multiply
    104,623.10x = 156,934.65 × 91,501.10
  4. Step 4: Simplify right side
    104,623.10x = 14,359,693,103.12
  5. Step 5: Solve for x
    x = 14,359,693,103.12/104,623.10
  6. Step 6: Final answer
    x = 137,251.65

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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.