Home / 131,333.19-196,980.13-47,080.63

Finding the Fourth Proportional to 131,333.19, 196,980.13 and 47,080.63

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Solution

The fourth proportional to 131,333.19, 196,980.13 and 47,080.63 is: 70,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,333.19 : 196,980.13 = 47,080.63 : x
  2. Step 2: Convert to fraction form
    131,333.19/196,980.13 = 47,080.63/x
  3. Step 3: Cross multiply
    131,333.19x = 196,980.13 × 47,080.63
  4. Step 4: Simplify right side
    131,333.19x = 9,273,948,617.88
  5. Step 5: Solve for x
    x = 9,273,948,617.88/131,333.19
  6. Step 6: Final answer
    x = 70,613.90

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1.5x scale

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.