Home / 127,648.67-191,458.40-34,161.71

Finding the Fourth Proportional to 127,648.67, 191,458.40 and 34,161.71

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Solution

The fourth proportional to 127,648.67, 191,458.40 and 34,161.71 is: 51,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,648.67 : 191,458.40 = 34,161.71 : x
  2. Step 2: Convert to fraction form
    127,648.67/191,458.40 = 34,161.71/x
  3. Step 3: Cross multiply
    127,648.67x = 191,458.40 × 34,161.71
  4. Step 4: Simplify right side
    127,648.67x = 6,540,545,209.76
  5. Step 5: Solve for x
    x = 6,540,545,209.76/127,648.67
  6. Step 6: Final answer
    x = 51,238.65

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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.