Home / 157,559.05-236,141.48-78,695.29

Finding the Fourth Proportional to 157,559.05, 236,141.48 and 78,695.29

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Solution

The fourth proportional to 157,559.05, 236,141.48 and 78,695.29 is: 117,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.05 : 236,141.48 = 78,695.29 : x
  2. Step 2: Convert to fraction form
    157,559.05/236,141.48 = 78,695.29/x
  3. Step 3: Cross multiply
    157,559.05x = 236,141.48 × 78,695.29
  4. Step 4: Simplify right side
    157,559.05x = 18,583,221,856.15
  5. Step 5: Solve for x
    x = 18,583,221,856.15/157,559.05
  6. Step 6: Final answer
    x = 117,944.49

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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.