Home / 157,297.80-235,428.30-122,046.60

Finding the Fourth Proportional to 157,297.80, 235,428.30 and 122,046.60

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Solution

The fourth proportional to 157,297.80, 235,428.30 and 122,046.60 is: 182,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,297.80 : 235,428.30 = 122,046.60 : x
  2. Step 2: Convert to fraction form
    157,297.80/235,428.30 = 122,046.60/x
  3. Step 3: Cross multiply
    157,297.80x = 235,428.30 × 122,046.60
  4. Step 4: Simplify right side
    157,297.80x = 28,733,223,558.78
  5. Step 5: Solve for x
    x = 28,733,223,558.78/157,297.80
  6. Step 6: Final answer
    x = 182,667.68

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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.