Home / 215,761.79-297,878.83-191,822.19

Finding the Fourth Proportional to 215,761.79, 297,878.83 and 191,822.19

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Solution

The fourth proportional to 215,761.79, 297,878.83 and 191,822.19 is: 264,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,761.79 : 297,878.83 = 191,822.19 : x
  2. Step 2: Convert to fraction form
    215,761.79/297,878.83 = 191,822.19/x
  3. Step 3: Cross multiply
    215,761.79x = 297,878.83 × 191,822.19
  4. Step 4: Simplify right side
    215,761.79x = 57,139,769,045.68
  5. Step 5: Solve for x
    x = 57,139,769,045.68/215,761.79
  6. Step 6: Final answer
    x = 264,828.03

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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.