Home / 131,609.32-197,384.82-52,702.36

Finding the Fourth Proportional to 131,609.32, 197,384.82 and 52,702.36

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Solution

The fourth proportional to 131,609.32, 197,384.82 and 52,702.36 is: 79,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,609.32 : 197,384.82 = 52,702.36 : x
  2. Step 2: Convert to fraction form
    131,609.32/197,384.82 = 52,702.36/x
  3. Step 3: Cross multiply
    131,609.32x = 197,384.82 × 52,702.36
  4. Step 4: Simplify right side
    131,609.32x = 10,402,645,842.18
  5. Step 5: Solve for x
    x = 10,402,645,842.18/131,609.32
  6. Step 6: Final answer
    x = 79,041.86

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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.