Home / 157,195.08-216,515.84-120,826.89

Finding the Fourth Proportional to 157,195.08, 216,515.84 and 120,826.89

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Solution

The fourth proportional to 157,195.08, 216,515.84 and 120,826.89 is: 166,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,195.08 : 216,515.84 = 120,826.89 : x
  2. Step 2: Convert to fraction form
    157,195.08/216,515.84 = 120,826.89/x
  3. Step 3: Cross multiply
    157,195.08x = 216,515.84 × 120,826.89
  4. Step 4: Simplify right side
    157,195.08x = 26,160,934,978.80
  5. Step 5: Solve for x
    x = 26,160,934,978.80/157,195.08
  6. Step 6: Final answer
    x = 166,423.37

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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.