Home / 330,332.76-455,891.03-185,137.83

Finding the Fourth Proportional to 330,332.76, 455,891.03 and 185,137.83

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Solution

The fourth proportional to 330,332.76, 455,891.03 and 185,137.83 is: 255,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,332.76 : 455,891.03 = 185,137.83 : x
  2. Step 2: Convert to fraction form
    330,332.76/455,891.03 = 185,137.83/x
  3. Step 3: Cross multiply
    330,332.76x = 455,891.03 × 185,137.83
  4. Step 4: Simplify right side
    330,332.76x = 84,402,675,084.98
  5. Step 5: Solve for x
    x = 84,402,675,084.98/330,332.76
  6. Step 6: Final answer
    x = 255,508.04

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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.