Home / 196,442.72-271,218.07-153,347.88

Finding the Fourth Proportional to 196,442.72, 271,218.07 and 153,347.88

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Solution

The fourth proportional to 196,442.72, 271,218.07 and 153,347.88 is: 211,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,442.72 : 271,218.07 = 153,347.88 : x
  2. Step 2: Convert to fraction form
    196,442.72/271,218.07 = 153,347.88/x
  3. Step 3: Cross multiply
    196,442.72x = 271,218.07 × 153,347.88
  4. Step 4: Simplify right side
    196,442.72x = 41,590,717,260.94
  5. Step 5: Solve for x
    x = 41,590,717,260.94/196,442.72
  6. Step 6: Final answer
    x = 211,719.31

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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.