Home / 208,288.96-312,384.66-58,543.60

Finding the Fourth Proportional to 208,288.96, 312,384.66 and 58,543.60

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Solution

The fourth proportional to 208,288.96, 312,384.66 and 58,543.60 is: 87,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288.96 : 312,384.66 = 58,543.60 : x
  2. Step 2: Convert to fraction form
    208,288.96/312,384.66 = 58,543.60/x
  3. Step 3: Cross multiply
    208,288.96x = 312,384.66 × 58,543.60
  4. Step 4: Simplify right side
    208,288.96x = 18,288,122,581.18
  5. Step 5: Solve for x
    x = 18,288,122,581.18/208,288.96
  6. Step 6: Final answer
    x = 87,801.69

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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.