Home / 208,333.05-312,518.02-58,574.64

Finding the Fourth Proportional to 208,333.05, 312,518.02 and 58,574.64

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Solution

The fourth proportional to 208,333.05, 312,518.02 and 58,574.64 is: 87,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,333.05 : 312,518.02 = 58,574.64 : x
  2. Step 2: Convert to fraction form
    208,333.05/312,518.02 = 58,574.64/x
  3. Step 3: Cross multiply
    208,333.05x = 312,518.02 × 58,574.64
  4. Step 4: Simplify right side
    208,333.05x = 18,305,630,515.01
  5. Step 5: Solve for x
    x = 18,305,630,515.01/208,333.05
  6. Step 6: Final answer
    x = 87,867.15

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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.