Home / 157,778.37-217,777.01-94,118.85

Finding the Fourth Proportional to 157,778.37, 217,777.01 and 94,118.85

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Solution

The fourth proportional to 157,778.37, 217,777.01 and 94,118.85 is: 129,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778.37 : 217,777.01 = 94,118.85 : x
  2. Step 2: Convert to fraction form
    157,778.37/217,777.01 = 94,118.85/x
  3. Step 3: Cross multiply
    157,778.37x = 217,777.01 × 94,118.85
  4. Step 4: Simplify right side
    157,778.37x = 20,496,921,267.04
  5. Step 5: Solve for x
    x = 20,496,921,267.04/157,778.37
  6. Step 6: Final answer
    x = 129,909.58

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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.