Home / 235,476.14-324,963.23-128,052.45

Finding the Fourth Proportional to 235,476.14, 324,963.23 and 128,052.45

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Solution

The fourth proportional to 235,476.14, 324,963.23 and 128,052.45 is: 176,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,476.14 : 324,963.23 = 128,052.45 : x
  2. Step 2: Convert to fraction form
    235,476.14/324,963.23 = 128,052.45/x
  3. Step 3: Cross multiply
    235,476.14x = 324,963.23 × 128,052.45
  4. Step 4: Simplify right side
    235,476.14x = 41,612,337,121.15
  5. Step 5: Solve for x
    x = 41,612,337,121.15/235,476.14
  6. Step 6: Final answer
    x = 176,715.73

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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.