Home / 171,218.24-236,339.47-99,658.38

Finding the Fourth Proportional to 171,218.24, 236,339.47 and 99,658.38

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Solution

The fourth proportional to 171,218.24, 236,339.47 and 99,658.38 is: 137,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.24 : 236,339.47 = 99,658.38 : x
  2. Step 2: Convert to fraction form
    171,218.24/236,339.47 = 99,658.38/x
  3. Step 3: Cross multiply
    171,218.24x = 236,339.47 × 99,658.38
  4. Step 4: Simplify right side
    171,218.24x = 23,553,209,721.10
  5. Step 5: Solve for x
    x = 23,553,209,721.10/171,218.24
  6. Step 6: Final answer
    x = 137,562.50

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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.