Home / 385,184.95-531,531.12-213,098.83

Finding the Fourth Proportional to 385,184.95, 531,531.12 and 213,098.83

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Solution

The fourth proportional to 385,184.95, 531,531.12 and 213,098.83 is: 294,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,184.95 : 531,531.12 = 213,098.83 : x
  2. Step 2: Convert to fraction form
    385,184.95/531,531.12 = 213,098.83/x
  3. Step 3: Cross multiply
    385,184.95x = 531,531.12 × 213,098.83
  4. Step 4: Simplify right side
    385,184.95x = 113,268,659,780.59
  5. Step 5: Solve for x
    x = 113,268,659,780.59/385,184.95
  6. Step 6: Final answer
    x = 294,063.05

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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.