Home / 215,344.17-323,017.47-191,761.02

Finding the Fourth Proportional to 215,344.17, 323,017.47 and 191,761.02

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Solution

The fourth proportional to 215,344.17, 323,017.47 and 191,761.02 is: 287,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,344.17 : 323,017.47 = 191,761.02 : x
  2. Step 2: Convert to fraction form
    215,344.17/323,017.47 = 191,761.02/x
  3. Step 3: Cross multiply
    215,344.17x = 323,017.47 × 191,761.02
  4. Step 4: Simplify right side
    215,344.17x = 61,942,159,525.02
  5. Step 5: Solve for x
    x = 61,942,159,525.02/215,344.17
  6. Step 6: Final answer
    x = 287,642.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.