Home / 289,254.82-433,134.60-199,574.05

Finding the Fourth Proportional to 289,254.82, 433,134.60 and 199,574.05

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Solution

The fourth proportional to 289,254.82, 433,134.60 and 199,574.05 is: 298,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,254.82 : 433,134.60 = 199,574.05 : x
  2. Step 2: Convert to fraction form
    289,254.82/433,134.60 = 199,574.05/x
  3. Step 3: Cross multiply
    289,254.82x = 433,134.60 × 199,574.05
  4. Step 4: Simplify right side
    289,254.82x = 86,442,426,317.13
  5. Step 5: Solve for x
    x = 86,442,426,317.13/289,254.82
  6. Step 6: Final answer
    x = 298,845.24

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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.