Home / 236,269.11-326,059.26-128,845.02

Finding the Fourth Proportional to 236,269.11, 326,059.26 and 128,845.02

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Solution

The fourth proportional to 236,269.11, 326,059.26 and 128,845.02 is: 177,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,269.11 : 326,059.26 = 128,845.02 : x
  2. Step 2: Convert to fraction form
    236,269.11/326,059.26 = 128,845.02/x
  3. Step 3: Cross multiply
    236,269.11x = 326,059.26 × 128,845.02
  4. Step 4: Simplify right side
    236,269.11x = 42,011,111,875.89
  5. Step 5: Solve for x
    x = 42,011,111,875.89/236,269.11
  6. Step 6: Final answer
    x = 177,810.43

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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.