Home / 196,862.40-271,501.20-125,215.20

Finding the Fourth Proportional to 196,862.40, 271,501.20 and 125,215.20

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Solution

The fourth proportional to 196,862.40, 271,501.20 and 125,215.20 is: 172,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,862.40 : 271,501.20 = 125,215.20 : x
  2. Step 2: Convert to fraction form
    196,862.40/271,501.20 = 125,215.20/x
  3. Step 3: Cross multiply
    196,862.40x = 271,501.20 × 125,215.20
  4. Step 4: Simplify right side
    196,862.40x = 33,996,077,058.24
  5. Step 5: Solve for x
    x = 33,996,077,058.24/196,862.40
  6. Step 6: Final answer
    x = 172,689.54

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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.