Home / 131,836.35-197,590.03-64,312.72

Finding the Fourth Proportional to 131,836.35, 197,590.03 and 64,312.72

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Solution

The fourth proportional to 131,836.35, 197,590.03 and 64,312.72 is: 96,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.35 : 197,590.03 = 64,312.72 : x
  2. Step 2: Convert to fraction form
    131,836.35/197,590.03 = 64,312.72/x
  3. Step 3: Cross multiply
    131,836.35x = 197,590.03 × 64,312.72
  4. Step 4: Simplify right side
    131,836.35x = 12,707,552,274.18
  5. Step 5: Solve for x
    x = 12,707,552,274.18/131,836.35
  6. Step 6: Final answer
    x = 96,388.84

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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.