Home / 102,344.85-153,451.26-43,164.63

Finding the Fourth Proportional to 102,344.85, 153,451.26 and 43,164.63

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Solution

The fourth proportional to 102,344.85, 153,451.26 and 43,164.63 is: 64,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,344.85 : 153,451.26 = 43,164.63 : x
  2. Step 2: Convert to fraction form
    102,344.85/153,451.26 = 43,164.63/x
  3. Step 3: Cross multiply
    102,344.85x = 153,451.26 × 43,164.63
  4. Step 4: Simplify right side
    102,344.85x = 6,623,666,860.93
  5. Step 5: Solve for x
    x = 6,623,666,860.93/102,344.85
  6. Step 6: Final answer
    x = 64,719.10

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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.