Home / 157,664.70-236,151.45-136,928.70

Finding the Fourth Proportional to 157,664.70, 236,151.45 and 136,928.70

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Solution

The fourth proportional to 157,664.70, 236,151.45 and 136,928.70 is: 205,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,664.70 : 236,151.45 = 136,928.70 : x
  2. Step 2: Convert to fraction form
    157,664.70/236,151.45 = 136,928.70/x
  3. Step 3: Cross multiply
    157,664.70x = 236,151.45 × 136,928.70
  4. Step 4: Simplify right side
    157,664.70x = 32,335,911,051.62
  5. Step 5: Solve for x
    x = 32,335,911,051.62/157,664.70
  6. Step 6: Final answer
    x = 205,092.90

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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.