Home / 208,345.02-312,517.64-58,585.31

Finding the Fourth Proportional to 208,345.02, 312,517.64 and 58,585.31

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Solution

The fourth proportional to 208,345.02, 312,517.64 and 58,585.31 is: 87,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,345.02 : 312,517.64 = 58,585.31 : x
  2. Step 2: Convert to fraction form
    208,345.02/312,517.64 = 58,585.31/x
  3. Step 3: Cross multiply
    208,345.02x = 312,517.64 × 58,585.31
  4. Step 4: Simplify right side
    208,345.02x = 18,308,942,246.14
  5. Step 5: Solve for x
    x = 18,308,942,246.14/208,345.02
  6. Step 6: Final answer
    x = 87,877.99

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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.