Home / 113,516.40-170,302.20-51,186.96

Finding the Fourth Proportional to 113,516.40, 170,302.20 and 51,186.96

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Solution

The fourth proportional to 113,516.40, 170,302.20 and 51,186.96 is: 76,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,516.40 : 170,302.20 = 51,186.96 : x
  2. Step 2: Convert to fraction form
    113,516.40/170,302.20 = 51,186.96/x
  3. Step 3: Cross multiply
    113,516.40x = 170,302.20 × 51,186.96
  4. Step 4: Simplify right side
    113,516.40x = 8,717,251,899.31
  5. Step 5: Solve for x
    x = 8,717,251,899.31/113,516.40
  6. Step 6: Final answer
    x = 76,792.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.