Home / 156,911.11-235,364.61-38,583.47

Finding the Fourth Proportional to 156,911.11, 235,364.61 and 38,583.47

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Solution

The fourth proportional to 156,911.11, 235,364.61 and 38,583.47 is: 57,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.11 : 235,364.61 = 38,583.47 : x
  2. Step 2: Convert to fraction form
    156,911.11/235,364.61 = 38,583.47/x
  3. Step 3: Cross multiply
    156,911.11x = 235,364.61 × 38,583.47
  4. Step 4: Simplify right side
    156,911.11x = 9,081,183,369.00
  5. Step 5: Solve for x
    x = 9,081,183,369.00/156,911.11
  6. Step 6: Final answer
    x = 57,874.70

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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.