Home / 157,836.88-236,672.34-107,931.26

Finding the Fourth Proportional to 157,836.88, 236,672.34 and 107,931.26

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Solution

The fourth proportional to 157,836.88, 236,672.34 and 107,931.26 is: 161,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.88 : 236,672.34 = 107,931.26 : x
  2. Step 2: Convert to fraction form
    157,836.88/236,672.34 = 107,931.26/x
  3. Step 3: Cross multiply
    157,836.88x = 236,672.34 × 107,931.26
  4. Step 4: Simplify right side
    157,836.88x = 25,544,343,863.35
  5. Step 5: Solve for x
    x = 25,544,343,863.35/157,836.88
  6. Step 6: Final answer
    x = 161,840.15

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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.