Home / 236,826.08-326,810.38-129,399.83

Finding the Fourth Proportional to 236,826.08, 326,810.38 and 129,399.83

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Solution

The fourth proportional to 236,826.08, 326,810.38 and 129,399.83 is: 178,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,826.08 : 326,810.38 = 129,399.83 : x
  2. Step 2: Convert to fraction form
    236,826.08/326,810.38 = 129,399.83/x
  3. Step 3: Cross multiply
    236,826.08x = 326,810.38 × 129,399.83
  4. Step 4: Simplify right side
    236,826.08x = 42,289,205,333.18
  5. Step 5: Solve for x
    x = 42,289,205,333.18/236,826.08
  6. Step 6: Final answer
    x = 178,566.51

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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.