Home / 215,762.74-297,746.38-120,267.38

Finding the Fourth Proportional to 215,762.74, 297,746.38 and 120,267.38

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Solution

The fourth proportional to 215,762.74, 297,746.38 and 120,267.38 is: 165,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,762.74 : 297,746.38 = 120,267.38 : x
  2. Step 2: Convert to fraction form
    215,762.74/297,746.38 = 120,267.38/x
  3. Step 3: Cross multiply
    215,762.74x = 297,746.38 × 120,267.38
  4. Step 4: Simplify right side
    215,762.74x = 35,809,177,921.78
  5. Step 5: Solve for x
    x = 35,809,177,921.78/215,762.74
  6. Step 6: Final answer
    x = 165,965.53

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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.