Home / 131,818.16-197,686.29-47,567.39

Finding the Fourth Proportional to 131,818.16, 197,686.29 and 47,567.39

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Solution

The fourth proportional to 131,818.16, 197,686.29 and 47,567.39 is: 71,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,818.16 : 197,686.29 = 47,567.39 : x
  2. Step 2: Convert to fraction form
    131,818.16/197,686.29 = 47,567.39/x
  3. Step 3: Cross multiply
    131,818.16x = 197,686.29 × 47,567.39
  4. Step 4: Simplify right side
    131,818.16x = 9,403,420,854.08
  5. Step 5: Solve for x
    x = 9,403,420,854.08/131,818.16
  6. Step 6: Final answer
    x = 71,336.31

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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.