Home / 201,823.24-278,516.10-116,989.52

Finding the Fourth Proportional to 201,823.24, 278,516.10 and 116,989.52

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Solution

The fourth proportional to 201,823.24, 278,516.10 and 116,989.52 is: 161,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,823.24 : 278,516.10 = 116,989.52 : x
  2. Step 2: Convert to fraction form
    201,823.24/278,516.10 = 116,989.52/x
  3. Step 3: Cross multiply
    201,823.24x = 278,516.10 × 116,989.52
  4. Step 4: Simplify right side
    201,823.24x = 32,583,464,851.27
  5. Step 5: Solve for x
    x = 32,583,464,851.27/201,823.24
  6. Step 6: Final answer
    x = 161,445.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.