Home / 156,628.89-216,145.55-88,658.75

Finding the Fourth Proportional to 156,628.89, 216,145.55 and 88,658.75

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Solution

The fourth proportional to 156,628.89, 216,145.55 and 88,658.75 is: 122,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.89 : 216,145.55 = 88,658.75 : x
  2. Step 2: Convert to fraction form
    156,628.89/216,145.55 = 88,658.75/x
  3. Step 3: Cross multiply
    156,628.89x = 216,145.55 × 88,658.75
  4. Step 4: Simplify right side
    156,628.89x = 19,163,192,757.04
  5. Step 5: Solve for x
    x = 19,163,192,757.04/156,628.89
  6. Step 6: Final answer
    x = 122,347.76

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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.