Home / 127,516.51-191,149.96-47,495.73

Finding the Fourth Proportional to 127,516.51, 191,149.96 and 47,495.73

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Solution

The fourth proportional to 127,516.51, 191,149.96 and 47,495.73 is: 71,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.51 : 191,149.96 = 47,495.73 : x
  2. Step 2: Convert to fraction form
    127,516.51/191,149.96 = 47,495.73/x
  3. Step 3: Cross multiply
    127,516.51x = 191,149.96 × 47,495.73
  4. Step 4: Simplify right side
    127,516.51x = 9,078,806,889.67
  5. Step 5: Solve for x
    x = 9,078,806,889.67/127,516.51
  6. Step 6: Final answer
    x = 71,197.11

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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.