Home / 187,553.07-258,826.32-105,885.63

Finding the Fourth Proportional to 187,553.07, 258,826.32 and 105,885.63

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Solution

The fourth proportional to 187,553.07, 258,826.32 and 105,885.63 is: 146,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,553.07 : 258,826.32 = 105,885.63 : x
  2. Step 2: Convert to fraction form
    187,553.07/258,826.32 = 105,885.63/x
  3. Step 3: Cross multiply
    187,553.07x = 258,826.32 × 105,885.63
  4. Step 4: Simplify right side
    187,553.07x = 27,405,987,953.78
  5. Step 5: Solve for x
    x = 27,405,987,953.78/187,553.07
  6. Step 6: Final answer
    x = 146,123.91

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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.