Home / 157,936.52-236,905.02-47,128.52

Finding the Fourth Proportional to 157,936.52, 236,905.02 and 47,128.52

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Solution

The fourth proportional to 157,936.52, 236,905.02 and 47,128.52 is: 70,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936.52 : 236,905.02 = 47,128.52 : x
  2. Step 2: Convert to fraction form
    157,936.52/236,905.02 = 47,128.52/x
  3. Step 3: Cross multiply
    157,936.52x = 236,905.02 × 47,128.52
  4. Step 4: Simplify right side
    157,936.52x = 11,164,982,973.17
  5. Step 5: Solve for x
    x = 11,164,982,973.17/157,936.52
  6. Step 6: Final answer
    x = 70,692.85

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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.