Home / 187,187.66-258,439.66-167,009.55

Finding the Fourth Proportional to 187,187.66, 258,439.66 and 167,009.55

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Solution

The fourth proportional to 187,187.66, 258,439.66 and 167,009.55 is: 230,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,187.66 : 258,439.66 = 167,009.55 : x
  2. Step 2: Convert to fraction form
    187,187.66/258,439.66 = 167,009.55/x
  3. Step 3: Cross multiply
    187,187.66x = 258,439.66 × 167,009.55
  4. Step 4: Simplify right side
    187,187.66x = 43,161,890,871.51
  5. Step 5: Solve for x
    x = 43,161,890,871.51/187,187.66
  6. Step 6: Final answer
    x = 230,580.86

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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.