Home / 105,327.72-157,986.68-26,440.20

Finding the Fourth Proportional to 105,327.72, 157,986.68 and 26,440.20

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Solution

The fourth proportional to 105,327.72, 157,986.68 and 26,440.20 is: 39,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,327.72 : 157,986.68 = 26,440.20 : x
  2. Step 2: Convert to fraction form
    105,327.72/157,986.68 = 26,440.20/x
  3. Step 3: Cross multiply
    105,327.72x = 157,986.68 × 26,440.20
  4. Step 4: Simplify right side
    105,327.72x = 4,177,199,416.54
  5. Step 5: Solve for x
    x = 4,177,199,416.54/105,327.72
  6. Step 6: Final answer
    x = 39,659.07

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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.