Home / 131,202.64-196,899.54-52,339.42

Finding the Fourth Proportional to 131,202.64, 196,899.54 and 52,339.42

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Solution

The fourth proportional to 131,202.64, 196,899.54 and 52,339.42 is: 78,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,202.64 : 196,899.54 = 52,339.42 : x
  2. Step 2: Convert to fraction form
    131,202.64/196,899.54 = 52,339.42/x
  3. Step 3: Cross multiply
    131,202.64x = 196,899.54 × 52,339.42
  4. Step 4: Simplify right side
    131,202.64x = 10,305,607,721.87
  5. Step 5: Solve for x
    x = 10,305,607,721.87/131,202.64
  6. Step 6: Final answer
    x = 78,547.26

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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.