Home / 215,316.10-297,149.33-119,822.80

Finding the Fourth Proportional to 215,316.10, 297,149.33 and 119,822.80

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Solution

The fourth proportional to 215,316.10, 297,149.33 and 119,822.80 is: 165,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,316.10 : 297,149.33 = 119,822.80 : x
  2. Step 2: Convert to fraction form
    215,316.10/297,149.33 = 119,822.80/x
  3. Step 3: Cross multiply
    215,316.10x = 297,149.33 × 119,822.80
  4. Step 4: Simplify right side
    215,316.10x = 35,605,264,738.72
  5. Step 5: Solve for x
    x = 35,605,264,738.72/215,316.10
  6. Step 6: Final answer
    x = 165,362.76

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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.