Home / 187,117.89-258,219.67-102,233.13

Finding the Fourth Proportional to 187,117.89, 258,219.67 and 102,233.13

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Solution

The fourth proportional to 187,117.89, 258,219.67 and 102,233.13 is: 141,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117.89 : 258,219.67 = 102,233.13 : x
  2. Step 2: Convert to fraction form
    187,117.89/258,219.67 = 102,233.13/x
  3. Step 3: Cross multiply
    187,117.89x = 258,219.67 × 102,233.13
  4. Step 4: Simplify right side
    187,117.89x = 26,398,605,091.67
  5. Step 5: Solve for x
    x = 26,398,605,091.67/187,117.89
  6. Step 6: Final answer
    x = 141,080.07

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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.