Home / 157,559.26-217,434.71-85,941.85

Finding the Fourth Proportional to 157,559.26, 217,434.71 and 85,941.85

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Solution

The fourth proportional to 157,559.26, 217,434.71 and 85,941.85 is: 118,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.26 : 217,434.71 = 85,941.85 : x
  2. Step 2: Convert to fraction form
    157,559.26/217,434.71 = 85,941.85/x
  3. Step 3: Cross multiply
    157,559.26x = 217,434.71 × 85,941.85
  4. Step 4: Simplify right side
    157,559.26x = 18,686,741,231.61
  5. Step 5: Solve for x
    x = 18,686,741,231.61/157,559.26
  6. Step 6: Final answer
    x = 118,601.35

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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.