Home / 235,356.76-324,743.34-139,828.60

Finding the Fourth Proportional to 235,356.76, 324,743.34 and 139,828.60

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Solution

The fourth proportional to 235,356.76, 324,743.34 and 139,828.60 is: 192,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,356.76 : 324,743.34 = 139,828.60 : x
  2. Step 2: Convert to fraction form
    235,356.76/324,743.34 = 139,828.60/x
  3. Step 3: Cross multiply
    235,356.76x = 324,743.34 × 139,828.60
  4. Step 4: Simplify right side
    235,356.76x = 45,408,406,591.52
  5. Step 5: Solve for x
    x = 45,408,406,591.52/235,356.76
  6. Step 6: Final answer
    x = 192,934.36

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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.