Home / 157,715.38-236,573.08-125,976.84

Finding the Fourth Proportional to 157,715.38, 236,573.08 and 125,976.84

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Solution

The fourth proportional to 157,715.38, 236,573.08 and 125,976.84 is: 188,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,715.38 : 236,573.08 = 125,976.84 : x
  2. Step 2: Convert to fraction form
    157,715.38/236,573.08 = 125,976.84/x
  3. Step 3: Cross multiply
    157,715.38x = 236,573.08 × 125,976.84
  4. Step 4: Simplify right side
    157,715.38x = 29,802,728,417.58
  5. Step 5: Solve for x
    x = 29,802,728,417.58/157,715.38
  6. Step 6: Final answer
    x = 188,965.27

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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.