Home / 352,974.17-487,108.08-191,829.21

Finding the Fourth Proportional to 352,974.17, 487,108.08 and 191,829.21

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Solution

The fourth proportional to 352,974.17, 487,108.08 and 191,829.21 is: 264,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,974.17 : 487,108.08 = 191,829.21 : x
  2. Step 2: Convert to fraction form
    352,974.17/487,108.08 = 191,829.21/x
  3. Step 3: Cross multiply
    352,974.17x = 487,108.08 × 191,829.21
  4. Step 4: Simplify right side
    352,974.17x = 93,441,558,171.02
  5. Step 5: Solve for x
    x = 93,441,558,171.02/352,974.17
  6. Step 6: Final answer
    x = 264,726.34

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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.