Home / 157,557.26-217,431.95-85,939.85

Finding the Fourth Proportional to 157,557.26, 217,431.95 and 85,939.85

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Solution

The fourth proportional to 157,557.26, 217,431.95 and 85,939.85 is: 118,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,557.26 : 217,431.95 = 85,939.85 : x
  2. Step 2: Convert to fraction form
    157,557.26/217,431.95 = 85,939.85/x
  3. Step 3: Cross multiply
    157,557.26x = 217,431.95 × 85,939.85
  4. Step 4: Simplify right side
    157,557.26x = 18,686,067,651.35
  5. Step 5: Solve for x
    x = 18,686,067,651.35/157,557.26
  6. Step 6: Final answer
    x = 118,598.59

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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.