Home / 187,600.12-258,888.12-102,717.16

Finding the Fourth Proportional to 187,600.12, 258,888.12 and 102,717.16

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Solution

The fourth proportional to 187,600.12, 258,888.12 and 102,717.16 is: 141,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,600.12 : 258,888.12 = 102,717.16 : x
  2. Step 2: Convert to fraction form
    187,600.12/258,888.12 = 102,717.16/x
  3. Step 3: Cross multiply
    187,600.12x = 258,888.12 × 102,717.16
  4. Step 4: Simplify right side
    187,600.12x = 26,592,252,444.14
  5. Step 5: Solve for x
    x = 26,592,252,444.14/187,600.12
  6. Step 6: Final answer
    x = 141,749.66

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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.