Home / 157,566.76-217,445.06-85,949.34

Finding the Fourth Proportional to 157,566.76, 217,445.06 and 85,949.34

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Solution

The fourth proportional to 157,566.76, 217,445.06 and 85,949.34 is: 118,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,566.76 : 217,445.06 = 85,949.34 : x
  2. Step 2: Convert to fraction form
    157,566.76/217,445.06 = 85,949.34/x
  3. Step 3: Cross multiply
    157,566.76x = 217,445.06 × 85,949.34
  4. Step 4: Simplify right side
    157,566.76x = 18,689,259,393.26
  5. Step 5: Solve for x
    x = 18,689,259,393.26/157,566.76
  6. Step 6: Final answer
    x = 118,611.69

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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.