Home / 235,123.40-324,506.94-133,154.12

Finding the Fourth Proportional to 235,123.40, 324,506.94 and 133,154.12

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Solution

The fourth proportional to 235,123.40, 324,506.94 and 133,154.12 is: 183,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,123.40 : 324,506.94 = 133,154.12 : x
  2. Step 2: Convert to fraction form
    235,123.40/324,506.94 = 133,154.12/x
  3. Step 3: Cross multiply
    235,123.40x = 324,506.94 × 133,154.12
  4. Step 4: Simplify right side
    235,123.40x = 43,209,436,029.59
  5. Step 5: Solve for x
    x = 43,209,436,029.59/235,123.40
  6. Step 6: Final answer
    x = 183,773.44

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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.