Home / 157,799.86-236,772.96-69,041.68

Finding the Fourth Proportional to 157,799.86, 236,772.96 and 69,041.68

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Solution

The fourth proportional to 157,799.86, 236,772.96 and 69,041.68 is: 103,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,799.86 : 236,772.96 = 69,041.68 : x
  2. Step 2: Convert to fraction form
    157,799.86/236,772.96 = 69,041.68/x
  3. Step 3: Cross multiply
    157,799.86x = 236,772.96 × 69,041.68
  4. Step 4: Simplify right side
    157,799.86x = 16,347,202,936.97
  5. Step 5: Solve for x
    x = 16,347,202,936.97/157,799.86
  6. Step 6: Final answer
    x = 103,594.53

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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.