Home / 157,112.46-235,361.70-125,588.88

Finding the Fourth Proportional to 157,112.46, 235,361.70 and 125,588.88

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Solution

The fourth proportional to 157,112.46, 235,361.70 and 125,588.88 is: 188,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112.46 : 235,361.70 = 125,588.88 : x
  2. Step 2: Convert to fraction form
    157,112.46/235,361.70 = 125,588.88/x
  3. Step 3: Cross multiply
    157,112.46x = 235,361.70 × 125,588.88
  4. Step 4: Simplify right side
    157,112.46x = 29,558,812,297.90
  5. Step 5: Solve for x
    x = 29,558,812,297.90/157,112.46
  6. Step 6: Final answer
    x = 188,137.93

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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.