Home / 493,699.20-740,395.76-178,115.12

Finding the Fourth Proportional to 493,699.20, 740,395.76 and 178,115.12

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Solution

The fourth proportional to 493,699.20, 740,395.76 and 178,115.12 is: 267,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,699.20 : 740,395.76 = 178,115.12 : x
  2. Step 2: Convert to fraction form
    493,699.20/740,395.76 = 178,115.12/x
  3. Step 3: Cross multiply
    493,699.20x = 740,395.76 × 178,115.12
  4. Step 4: Simplify right side
    493,699.20x = 131,875,679,639.89
  5. Step 5: Solve for x
    x = 131,875,679,639.89/493,699.20
  6. Step 6: Final answer
    x = 267,117.47

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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.