Home / 196,301.80-270,897.78-111,420.28

Finding the Fourth Proportional to 196,301.80, 270,897.78 and 111,420.28

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Solution

The fourth proportional to 196,301.80, 270,897.78 and 111,420.28 is: 153,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,301.80 : 270,897.78 = 111,420.28 : x
  2. Step 2: Convert to fraction form
    196,301.80/270,897.78 = 111,420.28/x
  3. Step 3: Cross multiply
    196,301.80x = 270,897.78 × 111,420.28
  4. Step 4: Simplify right side
    196,301.80x = 30,183,506,498.98
  5. Step 5: Solve for x
    x = 30,183,506,498.98/196,301.80
  6. Step 6: Final answer
    x = 153,760.72

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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.