Home / 215,748.02-297,733.74-120,260.72

Finding the Fourth Proportional to 215,748.02, 297,733.74 and 120,260.72

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Solution

The fourth proportional to 215,748.02, 297,733.74 and 120,260.72 is: 165,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,748.02 : 297,733.74 = 120,260.72 : x
  2. Step 2: Convert to fraction form
    215,748.02/297,733.74 = 120,260.72/x
  3. Step 3: Cross multiply
    215,748.02x = 297,733.74 × 120,260.72
  4. Step 4: Simplify right side
    215,748.02x = 35,805,673,940.69
  5. Step 5: Solve for x
    x = 35,805,673,940.69/215,748.02
  6. Step 6: Final answer
    x = 165,960.61

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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.