Home / 187,330.24-258,510.49-102,445.48

Finding the Fourth Proportional to 187,330.24, 258,510.49 and 102,445.48

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Solution

The fourth proportional to 187,330.24, 258,510.49 and 102,445.48 is: 141,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,330.24 : 258,510.49 = 102,445.48 : x
  2. Step 2: Convert to fraction form
    187,330.24/258,510.49 = 102,445.48/x
  3. Step 3: Cross multiply
    187,330.24x = 258,510.49 × 102,445.48
  4. Step 4: Simplify right side
    187,330.24x = 26,483,231,233.09
  5. Step 5: Solve for x
    x = 26,483,231,233.09/187,330.24
  6. Step 6: Final answer
    x = 141,371.90

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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.