Home / 153,844.40-230,766.60-70,900.40

Finding the Fourth Proportional to 153,844.40, 230,766.60 and 70,900.40

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Solution

The fourth proportional to 153,844.40, 230,766.60 and 70,900.40 is: 106,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,844.40 : 230,766.60 = 70,900.40 : x
  2. Step 2: Convert to fraction form
    153,844.40/230,766.60 = 70,900.40/x
  3. Step 3: Cross multiply
    153,844.40x = 230,766.60 × 70,900.40
  4. Step 4: Simplify right side
    153,844.40x = 16,361,444,246.64
  5. Step 5: Solve for x
    x = 16,361,444,246.64/153,844.40
  6. Step 6: Final answer
    x = 106,350.60

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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.