Home / 287,059.29-430,195.27-181,690.17

Finding the Fourth Proportional to 287,059.29, 430,195.27 and 181,690.17

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Solution

The fourth proportional to 287,059.29, 430,195.27 and 181,690.17 is: 272,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,059.29 : 430,195.27 = 181,690.17 : x
  2. Step 2: Convert to fraction form
    287,059.29/430,195.27 = 181,690.17/x
  3. Step 3: Cross multiply
    287,059.29x = 430,195.27 × 181,690.17
  4. Step 4: Simplify right side
    287,059.29x = 78,162,251,739.50
  5. Step 5: Solve for x
    x = 78,162,251,739.50/287,059.29
  6. Step 6: Final answer
    x = 272,286.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.