Home / 215,772.05-297,893-191,832.48

Finding the Fourth Proportional to 215,772.05, 297,893 and 191,832.48

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Solution

The fourth proportional to 215,772.05, 297,893 and 191,832.48 is: 264,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,772.05 : 297,893 = 191,832.48 : x
  2. Step 2: Convert to fraction form
    215,772.05/297,893 = 191,832.48/x
  3. Step 3: Cross multiply
    215,772.05x = 297,893 × 191,832.48
  4. Step 4: Simplify right side
    215,772.05x = 57,145,552,964.64
  5. Step 5: Solve for x
    x = 57,145,552,964.64/215,772.05
  6. Step 6: Final answer
    x = 264,842.24

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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.