Home / 157,081.92-235,572.96-51,881.28

Finding the Fourth Proportional to 157,081.92, 235,572.96 and 51,881.28

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Solution

The fourth proportional to 157,081.92, 235,572.96 and 51,881.28 is: 77,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,081.92 : 235,572.96 = 51,881.28 : x
  2. Step 2: Convert to fraction form
    157,081.92/235,572.96 = 51,881.28/x
  3. Step 3: Cross multiply
    157,081.92x = 235,572.96 × 51,881.28
  4. Step 4: Simplify right side
    157,081.92x = 12,221,826,698.19
  5. Step 5: Solve for x
    x = 12,221,826,698.19/157,081.92
  6. Step 6: Final answer
    x = 77,805.43

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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.