Home / 187,516.68-258,779.22-102,633.72

Finding the Fourth Proportional to 187,516.68, 258,779.22 and 102,633.72

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Solution

The fourth proportional to 187,516.68, 258,779.22 and 102,633.72 is: 141,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,516.68 : 258,779.22 = 102,633.72 : x
  2. Step 2: Convert to fraction form
    187,516.68/258,779.22 = 102,633.72/x
  3. Step 3: Cross multiply
    187,516.68x = 258,779.22 × 102,633.72
  4. Step 4: Simplify right side
    187,516.68x = 26,559,474,007.30
  5. Step 5: Solve for x
    x = 26,559,474,007.30/187,516.68
  6. Step 6: Final answer
    x = 141,637.93

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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.