Home / 117,143.40-175,452.60-70,299.48

Finding the Fourth Proportional to 117,143.40, 175,452.60 and 70,299.48

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Solution

The fourth proportional to 117,143.40, 175,452.60 and 70,299.48 is: 105,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143.40 : 175,452.60 = 70,299.48 : x
  2. Step 2: Convert to fraction form
    117,143.40/175,452.60 = 70,299.48/x
  3. Step 3: Cross multiply
    117,143.40x = 175,452.60 × 70,299.48
  4. Step 4: Simplify right side
    117,143.40x = 12,334,226,544.65
  5. Step 5: Solve for x
    x = 12,334,226,544.65/117,143.40
  6. Step 6: Final answer
    x = 105,291.69

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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.