Home / 230,717.40-346,140.90-112,392.60

Finding the Fourth Proportional to 230,717.40, 346,140.90 and 112,392.60

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Solution

The fourth proportional to 230,717.40, 346,140.90 and 112,392.60 is: 168,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,717.40 : 346,140.90 = 112,392.60 : x
  2. Step 2: Convert to fraction form
    230,717.40/346,140.90 = 112,392.60/x
  3. Step 3: Cross multiply
    230,717.40x = 346,140.90 × 112,392.60
  4. Step 4: Simplify right side
    230,717.40x = 38,903,675,717.34
  5. Step 5: Solve for x
    x = 38,903,675,717.34/230,717.40
  6. Step 6: Final answer
    x = 168,620.47

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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.