Home / 131,349.34-196,934.02-47,107.70

Finding the Fourth Proportional to 131,349.34, 196,934.02 and 47,107.70

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Solution

The fourth proportional to 131,349.34, 196,934.02 and 47,107.70 is: 70,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349.34 : 196,934.02 = 47,107.70 : x
  2. Step 2: Convert to fraction form
    131,349.34/196,934.02 = 47,107.70/x
  3. Step 3: Cross multiply
    131,349.34x = 196,934.02 × 47,107.70
  4. Step 4: Simplify right side
    131,349.34x = 9,277,108,733.95
  5. Step 5: Solve for x
    x = 9,277,108,733.95/131,349.34
  6. Step 6: Final answer
    x = 70,629.28

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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.