Home / 157,404.06-217,211.26-85,782.52

Finding the Fourth Proportional to 157,404.06, 217,211.26 and 85,782.52

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Solution

The fourth proportional to 157,404.06, 217,211.26 and 85,782.52 is: 118,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,404.06 : 217,211.26 = 85,782.52 : x
  2. Step 2: Convert to fraction form
    157,404.06/217,211.26 = 85,782.52/x
  3. Step 3: Cross multiply
    157,404.06x = 217,211.26 × 85,782.52
  4. Step 4: Simplify right side
    157,404.06x = 18,632,929,255.18
  5. Step 5: Solve for x
    x = 18,632,929,255.18/157,404.06
  6. Step 6: Final answer
    x = 118,376.42

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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.