Home / 235,270.40-324,672.53-127,840.44

Finding the Fourth Proportional to 235,270.40, 324,672.53 and 127,840.44

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Solution

The fourth proportional to 235,270.40, 324,672.53 and 127,840.44 is: 176,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,270.40 : 324,672.53 = 127,840.44 : x
  2. Step 2: Convert to fraction form
    235,270.40/324,672.53 = 127,840.44/x
  3. Step 3: Cross multiply
    235,270.40x = 324,672.53 × 127,840.44
  4. Step 4: Simplify right side
    235,270.40x = 41,506,278,193.19
  5. Step 5: Solve for x
    x = 41,506,278,193.19/235,270.40
  6. Step 6: Final answer
    x = 176,419.47

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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.