Home / 157,415.88-236,167.74-68,677.32

Finding the Fourth Proportional to 157,415.88, 236,167.74 and 68,677.32

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Solution

The fourth proportional to 157,415.88, 236,167.74 and 68,677.32 is: 103,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.88 : 236,167.74 = 68,677.32 : x
  2. Step 2: Convert to fraction form
    157,415.88/236,167.74 = 68,677.32/x
  3. Step 3: Cross multiply
    157,415.88x = 236,167.74 × 68,677.32
  4. Step 4: Simplify right side
    157,415.88x = 16,219,367,453.66
  5. Step 5: Solve for x
    x = 16,219,367,453.66/157,415.88
  6. Step 6: Final answer
    x = 103,035.14

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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.