Home / 131,784.57-197,582.85-61,625.61

Finding the Fourth Proportional to 131,784.57, 197,582.85 and 61,625.61

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Solution

The fourth proportional to 131,784.57, 197,582.85 and 61,625.61 is: 92,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.57 : 197,582.85 = 61,625.61 : x
  2. Step 2: Convert to fraction form
    131,784.57/197,582.85 = 61,625.61/x
  3. Step 3: Cross multiply
    131,784.57x = 197,582.85 × 61,625.61
  4. Step 4: Simplify right side
    131,784.57x = 12,176,163,656.79
  5. Step 5: Solve for x
    x = 12,176,163,656.79/131,784.57
  6. Step 6: Final answer
    x = 92,394.46

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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.