Home / 196,719.04-270,998.10-156,419.92

Finding the Fourth Proportional to 196,719.04, 270,998.10 and 156,419.92

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Solution

The fourth proportional to 196,719.04, 270,998.10 and 156,419.92 is: 215,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,719.04 : 270,998.10 = 156,419.92 : x
  2. Step 2: Convert to fraction form
    196,719.04/270,998.10 = 156,419.92/x
  3. Step 3: Cross multiply
    196,719.04x = 270,998.10 × 156,419.92
  4. Step 4: Simplify right side
    196,719.04x = 42,389,501,122.15
  5. Step 5: Solve for x
    x = 42,389,501,122.15/196,719.04
  6. Step 6: Final answer
    x = 215,482.45

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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.