Home / 317,985.83-438,799.80-182,020.85

Finding the Fourth Proportional to 317,985.83, 438,799.80 and 182,020.85

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Solution

The fourth proportional to 317,985.83, 438,799.80 and 182,020.85 is: 251,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,985.83 : 438,799.80 = 182,020.85 : x
  2. Step 2: Convert to fraction form
    317,985.83/438,799.80 = 182,020.85/x
  3. Step 3: Cross multiply
    317,985.83x = 438,799.80 × 182,020.85
  4. Step 4: Simplify right side
    317,985.83x = 79,870,709,471.73
  5. Step 5: Solve for x
    x = 79,870,709,471.73/317,985.83
  6. Step 6: Final answer
    x = 251,176.95

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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.