Home / 130,900.32-196,292.16-47,736

Finding the Fourth Proportional to 130,900.32, 196,292.16 and 47,736

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Solution

The fourth proportional to 130,900.32, 196,292.16 and 47,736 is: 71,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,900.32 : 196,292.16 = 47,736 : x
  2. Step 2: Convert to fraction form
    130,900.32/196,292.16 = 47,736/x
  3. Step 3: Cross multiply
    130,900.32x = 196,292.16 × 47,736
  4. Step 4: Simplify right side
    130,900.32x = 9,370,202,549.76
  5. Step 5: Solve for x
    x = 9,370,202,549.76/130,900.32
  6. Step 6: Final answer
    x = 71,582.73

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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.