Home / 187,669.23-258,919.20-107,038.77

Finding the Fourth Proportional to 187,669.23, 258,919.20 and 107,038.77

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Solution

The fourth proportional to 187,669.23, 258,919.20 and 107,038.77 is: 147,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,669.23 : 258,919.20 = 107,038.77 : x
  2. Step 2: Convert to fraction form
    187,669.23/258,919.20 = 107,038.77/x
  3. Step 3: Cross multiply
    187,669.23x = 258,919.20 × 107,038.77
  4. Step 4: Simplify right side
    187,669.23x = 27,714,392,697.38
  5. Step 5: Solve for x
    x = 27,714,392,697.38/187,669.23
  6. Step 6: Final answer
    x = 147,676.81

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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.