Home / 105,237.56-157,757.91-38,659.80

Finding the Fourth Proportional to 105,237.56, 157,757.91 and 38,659.80

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Solution

The fourth proportional to 105,237.56, 157,757.91 and 38,659.80 is: 57,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.56 : 157,757.91 = 38,659.80 : x
  2. Step 2: Convert to fraction form
    105,237.56/157,757.91 = 38,659.80/x
  3. Step 3: Cross multiply
    105,237.56x = 157,757.91 × 38,659.80
  4. Step 4: Simplify right side
    105,237.56x = 6,098,889,249.02
  5. Step 5: Solve for x
    x = 6,098,889,249.02/105,237.56
  6. Step 6: Final answer
    x = 57,953.54

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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.