Home / 131,351.34-196,937.02-47,109.70

Finding the Fourth Proportional to 131,351.34, 196,937.02 and 47,109.70

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Solution

The fourth proportional to 131,351.34, 196,937.02 and 47,109.70 is: 70,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.34 : 196,937.02 = 47,109.70 : x
  2. Step 2: Convert to fraction form
    131,351.34/196,937.02 = 47,109.70/x
  3. Step 3: Cross multiply
    131,351.34x = 196,937.02 × 47,109.70
  4. Step 4: Simplify right side
    131,351.34x = 9,277,643,931.09
  5. Step 5: Solve for x
    x = 9,277,643,931.09/131,351.34
  6. Step 6: Final answer
    x = 70,632.27

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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.