Home / 554,131.73-831,345.63-199,148.83

Finding the Fourth Proportional to 554,131.73, 831,345.63 and 199,148.83

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Solution

The fourth proportional to 554,131.73, 831,345.63 and 199,148.83 is: 298,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,131.73 : 831,345.63 = 199,148.83 : x
  2. Step 2: Convert to fraction form
    554,131.73/831,345.63 = 199,148.83/x
  3. Step 3: Cross multiply
    554,131.73x = 831,345.63 × 199,148.83
  4. Step 4: Simplify right side
    554,131.73x = 165,561,506,714.94
  5. Step 5: Solve for x
    x = 165,561,506,714.94/554,131.73
  6. Step 6: Final answer
    x = 298,776.44

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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.