Home / 187,632.19-258,971.52-172,500.89

Finding the Fourth Proportional to 187,632.19, 258,971.52 and 172,500.89

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Solution

The fourth proportional to 187,632.19, 258,971.52 and 172,500.89 is: 238,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,632.19 : 258,971.52 = 172,500.89 : x
  2. Step 2: Convert to fraction form
    187,632.19/258,971.52 = 172,500.89/x
  3. Step 3: Cross multiply
    187,632.19x = 258,971.52 × 172,500.89
  4. Step 4: Simplify right side
    187,632.19x = 44,672,817,684.65
  5. Step 5: Solve for x
    x = 44,672,817,684.65/187,632.19
  6. Step 6: Final answer
    x = 238,087.17

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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.