Home / 187,628.69-258,966.69-172,497.39

Finding the Fourth Proportional to 187,628.69, 258,966.69 and 172,497.39

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Solution

The fourth proportional to 187,628.69, 258,966.69 and 172,497.39 is: 238,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,628.69 : 258,966.69 = 172,497.39 : x
  2. Step 2: Convert to fraction form
    187,628.69/258,966.69 = 172,497.39/x
  3. Step 3: Cross multiply
    187,628.69x = 258,966.69 × 172,497.39
  4. Step 4: Simplify right side
    187,628.69x = 44,671,078,121.94
  5. Step 5: Solve for x
    x = 44,671,078,121.94/187,628.69
  6. Step 6: Final answer
    x = 238,082.34

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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.