Home / 129,659.23-194,503.44-40,886.47

Finding the Fourth Proportional to 129,659.23, 194,503.44 and 40,886.47

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Solution

The fourth proportional to 129,659.23, 194,503.44 and 40,886.47 is: 61,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,659.23 : 194,503.44 = 40,886.47 : x
  2. Step 2: Convert to fraction form
    129,659.23/194,503.44 = 40,886.47/x
  3. Step 3: Cross multiply
    129,659.23x = 194,503.44 × 40,886.47
  4. Step 4: Simplify right side
    129,659.23x = 7,952,559,064.46
  5. Step 5: Solve for x
    x = 7,952,559,064.46/129,659.23
  6. Step 6: Final answer
    x = 61,334.31

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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.