Home / 187,536.15-258,802.97-105,868.71

Finding the Fourth Proportional to 187,536.15, 258,802.97 and 105,868.71

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Solution

The fourth proportional to 187,536.15, 258,802.97 and 105,868.71 is: 146,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536.15 : 258,802.97 = 105,868.71 : x
  2. Step 2: Convert to fraction form
    187,536.15/258,802.97 = 105,868.71/x
  3. Step 3: Cross multiply
    187,536.15x = 258,802.97 × 105,868.71
  4. Step 4: Simplify right side
    187,536.15x = 27,399,136,048.73
  5. Step 5: Solve for x
    x = 27,399,136,048.73/187,536.15
  6. Step 6: Final answer
    x = 146,100.56

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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.