Home / 131,301.68-196,987.41-47,070.36

Finding the Fourth Proportional to 131,301.68, 196,987.41 and 47,070.36

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Solution

The fourth proportional to 131,301.68, 196,987.41 and 47,070.36 is: 70,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,301.68 : 196,987.41 = 47,070.36 : x
  2. Step 2: Convert to fraction form
    131,301.68/196,987.41 = 47,070.36/x
  3. Step 3: Cross multiply
    131,301.68x = 196,987.41 × 47,070.36
  4. Step 4: Simplify right side
    131,301.68x = 9,272,268,304.17
  5. Step 5: Solve for x
    x = 9,272,268,304.17/131,301.68
  6. Step 6: Final answer
    x = 70,618.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.