Home / 187,081.81-258,173.13-106,509.33

Finding the Fourth Proportional to 187,081.81, 258,173.13 and 106,509.33

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Solution

The fourth proportional to 187,081.81, 258,173.13 and 106,509.33 is: 146,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,081.81 : 258,173.13 = 106,509.33 : x
  2. Step 2: Convert to fraction form
    187,081.81/258,173.13 = 106,509.33/x
  3. Step 3: Cross multiply
    187,081.81x = 258,173.13 × 106,509.33
  4. Step 4: Simplify right side
    187,081.81x = 27,497,846,567.76
  5. Step 5: Solve for x
    x = 27,497,846,567.76/187,081.81
  6. Step 6: Final answer
    x = 146,983.01

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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.