Home / 131,260.29-196,931.28-47,021.18

Finding the Fourth Proportional to 131,260.29, 196,931.28 and 47,021.18

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Solution

The fourth proportional to 131,260.29, 196,931.28 and 47,021.18 is: 70,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,260.29 : 196,931.28 = 47,021.18 : x
  2. Step 2: Convert to fraction form
    131,260.29/196,931.28 = 47,021.18/x
  3. Step 3: Cross multiply
    131,260.29x = 196,931.28 × 47,021.18
  4. Step 4: Simplify right side
    131,260.29x = 9,259,940,356.18
  5. Step 5: Solve for x
    x = 9,259,940,356.18/131,260.29
  6. Step 6: Final answer
    x = 70,546.40

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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.