Home / 157,414.80-217,237.16-85,799.46

Finding the Fourth Proportional to 157,414.80, 217,237.16 and 85,799.46

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Solution

The fourth proportional to 157,414.80, 217,237.16 and 85,799.46 is: 118,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.80 : 217,237.16 = 85,799.46 : x
  2. Step 2: Convert to fraction form
    157,414.80/217,237.16 = 85,799.46/x
  3. Step 3: Cross multiply
    157,414.80x = 217,237.16 × 85,799.46
  4. Step 4: Simplify right side
    157,414.80x = 18,638,831,234.43
  5. Step 5: Solve for x
    x = 18,638,831,234.43/157,414.80
  6. Step 6: Final answer
    x = 118,405.84

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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.