Home / 157,962.76-217,847.46-131,062.68

Finding the Fourth Proportional to 157,962.76, 217,847.46 and 131,062.68

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Solution

The fourth proportional to 157,962.76, 217,847.46 and 131,062.68 is: 180,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,962.76 : 217,847.46 = 131,062.68 : x
  2. Step 2: Convert to fraction form
    157,962.76/217,847.46 = 131,062.68/x
  3. Step 3: Cross multiply
    157,962.76x = 217,847.46 × 131,062.68
  4. Step 4: Simplify right side
    157,962.76x = 28,551,671,938.79
  5. Step 5: Solve for x
    x = 28,551,671,938.79/157,962.76
  6. Step 6: Final answer
    x = 180,749.39

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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.