Home / 235,446.20-324,913.46-128,016.23

Finding the Fourth Proportional to 235,446.20, 324,913.46 and 128,016.23

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Solution

The fourth proportional to 235,446.20, 324,913.46 and 128,016.23 is: 176,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,446.20 : 324,913.46 = 128,016.23 : x
  2. Step 2: Convert to fraction form
    235,446.20/324,913.46 = 128,016.23/x
  3. Step 3: Cross multiply
    235,446.20x = 324,913.46 × 128,016.23
  4. Step 4: Simplify right side
    235,446.20x = 41,594,196,225.46
  5. Step 5: Solve for x
    x = 41,594,196,225.46/235,446.20
  6. Step 6: Final answer
    x = 176,661.15

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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.