Home / 236,912.28-326,934.07-129,483.07

Finding the Fourth Proportional to 236,912.28, 326,934.07 and 129,483.07

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Solution

The fourth proportional to 236,912.28, 326,934.07 and 129,483.07 is: 178,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.28 : 326,934.07 = 129,483.07 : x
  2. Step 2: Convert to fraction form
    236,912.28/326,934.07 = 129,483.07/x
  3. Step 3: Cross multiply
    236,912.28x = 326,934.07 × 129,483.07
  4. Step 4: Simplify right side
    236,912.28x = 42,332,427,071.19
  5. Step 5: Solve for x
    x = 42,332,427,071.19/236,912.28
  6. Step 6: Final answer
    x = 178,683.97

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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.