Home / 196,387.32-271,002.44-115,818.24

Finding the Fourth Proportional to 196,387.32, 271,002.44 and 115,818.24

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Solution

The fourth proportional to 196,387.32, 271,002.44 and 115,818.24 is: 159,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,387.32 : 271,002.44 = 115,818.24 : x
  2. Step 2: Convert to fraction form
    196,387.32/271,002.44 = 115,818.24/x
  3. Step 3: Cross multiply
    196,387.32x = 271,002.44 × 115,818.24
  4. Step 4: Simplify right side
    196,387.32x = 31,387,025,636.51
  5. Step 5: Solve for x
    x = 31,387,025,636.51/196,387.32
  6. Step 6: Final answer
    x = 159,822.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.