Home / 235,123.85-324,460.07-133,146.98

Finding the Fourth Proportional to 235,123.85, 324,460.07 and 133,146.98

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Solution

The fourth proportional to 235,123.85, 324,460.07 and 133,146.98 is: 183,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,123.85 : 324,460.07 = 133,146.98 : x
  2. Step 2: Convert to fraction form
    235,123.85/324,460.07 = 133,146.98/x
  3. Step 3: Cross multiply
    235,123.85x = 324,460.07 × 133,146.98
  4. Step 4: Simplify right side
    235,123.85x = 43,200,878,451.09
  5. Step 5: Solve for x
    x = 43,200,878,451.09/235,123.85
  6. Step 6: Final answer
    x = 183,736.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.