Home / 236,289.27-326,076.26-128,856.81

Finding the Fourth Proportional to 236,289.27, 326,076.26 and 128,856.81

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Solution

The fourth proportional to 236,289.27, 326,076.26 and 128,856.81 is: 177,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,289.27 : 326,076.26 = 128,856.81 : x
  2. Step 2: Convert to fraction form
    236,289.27/326,076.26 = 128,856.81/x
  3. Step 3: Cross multiply
    236,289.27x = 326,076.26 × 128,856.81
  4. Step 4: Simplify right side
    236,289.27x = 42,017,146,036.05
  5. Step 5: Solve for x
    x = 42,017,146,036.05/236,289.27
  6. Step 6: Final answer
    x = 177,820.80

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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.