Home / 236,267.86-326,057.52-128,843.77

Finding the Fourth Proportional to 236,267.86, 326,057.52 and 128,843.77

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Solution

The fourth proportional to 236,267.86, 326,057.52 and 128,843.77 is: 177,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,267.86 : 326,057.52 = 128,843.77 : x
  2. Step 2: Convert to fraction form
    236,267.86/326,057.52 = 128,843.77/x
  3. Step 3: Cross multiply
    236,267.86x = 326,057.52 × 128,843.77
  4. Step 4: Simplify right side
    236,267.86x = 42,010,480,113.65
  5. Step 5: Solve for x
    x = 42,010,480,113.65/236,267.86
  6. Step 6: Final answer
    x = 177,808.70

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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.