Home / 157,360.41-217,158.96-85,741.62

Finding the Fourth Proportional to 157,360.41, 217,158.96 and 85,741.62

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Solution

The fourth proportional to 157,360.41, 217,158.96 and 85,741.62 is: 118,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,360.41 : 217,158.96 = 85,741.62 : x
  2. Step 2: Convert to fraction form
    157,360.41/217,158.96 = 85,741.62/x
  3. Step 3: Cross multiply
    157,360.41x = 217,158.96 × 85,741.62
  4. Step 4: Simplify right side
    157,360.41x = 18,619,561,027.92
  5. Step 5: Solve for x
    x = 18,619,561,027.92/157,360.41
  6. Step 6: Final answer
    x = 118,324.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.