Home / 235,136.39-324,490.56-127,708.52

Finding the Fourth Proportional to 235,136.39, 324,490.56 and 127,708.52

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Solution

The fourth proportional to 235,136.39, 324,490.56 and 127,708.52 is: 176,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,136.39 : 324,490.56 = 127,708.52 : x
  2. Step 2: Convert to fraction form
    235,136.39/324,490.56 = 127,708.52/x
  3. Step 3: Cross multiply
    235,136.39x = 324,490.56 × 127,708.52
  4. Step 4: Simplify right side
    235,136.39x = 41,440,209,171.57
  5. Step 5: Solve for x
    x = 41,440,209,171.57/235,136.39
  6. Step 6: Final answer
    x = 176,239.03

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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.