Home / 112,452.86-155,301.15-97,272.65

Finding the Fourth Proportional to 112,452.86, 155,301.15 and 97,272.65

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Solution

The fourth proportional to 112,452.86, 155,301.15 and 97,272.65 is: 134,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,452.86 : 155,301.15 = 97,272.65 : x
  2. Step 2: Convert to fraction form
    112,452.86/155,301.15 = 97,272.65/x
  3. Step 3: Cross multiply
    112,452.86x = 155,301.15 × 97,272.65
  4. Step 4: Simplify right side
    112,452.86x = 15,106,553,632.04
  5. Step 5: Solve for x
    x = 15,106,553,632.04/112,452.86
  6. Step 6: Final answer
    x = 134,336.77

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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.