Home / 196,486.88-271,132.08-111,587.36

Finding the Fourth Proportional to 196,486.88, 271,132.08 and 111,587.36

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Solution

The fourth proportional to 196,486.88, 271,132.08 and 111,587.36 is: 153,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,486.88 : 271,132.08 = 111,587.36 : x
  2. Step 2: Convert to fraction form
    196,486.88/271,132.08 = 111,587.36/x
  3. Step 3: Cross multiply
    196,486.88x = 271,132.08 × 111,587.36
  4. Step 4: Simplify right side
    196,486.88x = 30,254,913,018.51
  5. Step 5: Solve for x
    x = 30,254,913,018.51/196,486.88
  6. Step 6: Final answer
    x = 153,979.30

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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.