Home / 215,760.75-297,877.40-191,821.16

Finding the Fourth Proportional to 215,760.75, 297,877.40 and 191,821.16

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Solution

The fourth proportional to 215,760.75, 297,877.40 and 191,821.16 is: 264,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,760.75 : 297,877.40 = 191,821.16 : x
  2. Step 2: Convert to fraction form
    215,760.75/297,877.40 = 191,821.16/x
  3. Step 3: Cross multiply
    215,760.75x = 297,877.40 × 191,821.16
  4. Step 4: Simplify right side
    215,760.75x = 57,139,188,314.13
  5. Step 5: Solve for x
    x = 57,139,188,314.13/215,760.75
  6. Step 6: Final answer
    x = 264,826.61

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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.