Home / 216,962.55-325,465.22-74,789.10

Finding the Fourth Proportional to 216,962.55, 325,465.22 and 74,789.10

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Solution

The fourth proportional to 216,962.55, 325,465.22 and 74,789.10 is: 112,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,962.55 : 325,465.22 = 74,789.10 : x
  2. Step 2: Convert to fraction form
    216,962.55/325,465.22 = 74,789.10/x
  3. Step 3: Cross multiply
    216,962.55x = 325,465.22 × 74,789.10
  4. Step 4: Simplify right side
    216,962.55x = 24,341,252,531.25
  5. Step 5: Solve for x
    x = 24,341,252,531.25/216,962.55
  6. Step 6: Final answer
    x = 112,191.03

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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.