Home / 157,531.58-236,226.29-45,186.30

Finding the Fourth Proportional to 157,531.58, 236,226.29 and 45,186.30

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Solution

The fourth proportional to 157,531.58, 236,226.29 and 45,186.30 is: 67,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,531.58 : 236,226.29 = 45,186.30 : x
  2. Step 2: Convert to fraction form
    157,531.58/236,226.29 = 45,186.30/x
  3. Step 3: Cross multiply
    157,531.58x = 236,226.29 × 45,186.30
  4. Step 4: Simplify right side
    157,531.58x = 10,674,191,781.90
  5. Step 5: Solve for x
    x = 10,674,191,781.90/157,531.58
  6. Step 6: Final answer
    x = 67,759.06

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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.