Home / 157,540.55-217,409.67-85,927.23

Finding the Fourth Proportional to 157,540.55, 217,409.67 and 85,927.23

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Solution

The fourth proportional to 157,540.55, 217,409.67 and 85,927.23 is: 118,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,540.55 : 217,409.67 = 85,927.23 : x
  2. Step 2: Convert to fraction form
    157,540.55/217,409.67 = 85,927.23/x
  3. Step 3: Cross multiply
    157,540.55x = 217,409.67 × 85,927.23
  4. Step 4: Simplify right side
    157,540.55x = 18,681,410,718.31
  5. Step 5: Solve for x
    x = 18,681,410,718.31/157,540.55
  6. Step 6: Final answer
    x = 118,581.61

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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.