Home / 236,470.96-326,336.87-129,047.92

Finding the Fourth Proportional to 236,470.96, 326,336.87 and 129,047.92

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Solution

The fourth proportional to 236,470.96, 326,336.87 and 129,047.92 is: 178,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,470.96 : 326,336.87 = 129,047.92 : x
  2. Step 2: Convert to fraction form
    236,470.96/326,336.87 = 129,047.92/x
  3. Step 3: Cross multiply
    236,470.96x = 326,336.87 × 129,047.92
  4. Step 4: Simplify right side
    236,470.96x = 42,113,094,292.81
  5. Step 5: Solve for x
    x = 42,113,094,292.81/236,470.96
  6. Step 6: Final answer
    x = 178,089.92

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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.