Home / 131,031.16-196,644.38-97,374.71

Finding the Fourth Proportional to 131,031.16, 196,644.38 and 97,374.71

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Solution

The fourth proportional to 131,031.16, 196,644.38 and 97,374.71 is: 146,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,031.16 : 196,644.38 = 97,374.71 : x
  2. Step 2: Convert to fraction form
    131,031.16/196,644.38 = 97,374.71/x
  3. Step 3: Cross multiply
    131,031.16x = 196,644.38 × 97,374.71
  4. Step 4: Simplify right side
    131,031.16x = 19,148,189,480.37
  5. Step 5: Solve for x
    x = 19,148,189,480.37/131,031.16
  6. Step 6: Final answer
    x = 146,134.63

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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.