Home / 230,845.40-346,332.90-112,520.60

Finding the Fourth Proportional to 230,845.40, 346,332.90 and 112,520.60

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Solution

The fourth proportional to 230,845.40, 346,332.90 and 112,520.60 is: 168,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,845.40 : 346,332.90 = 112,520.60 : x
  2. Step 2: Convert to fraction form
    230,845.40/346,332.90 = 112,520.60/x
  3. Step 3: Cross multiply
    230,845.40x = 346,332.90 × 112,520.60
  4. Step 4: Simplify right side
    230,845.40x = 38,969,585,707.74
  5. Step 5: Solve for x
    x = 38,969,585,707.74/230,845.40
  6. Step 6: Final answer
    x = 168,812.49

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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.