Home / 178,022.88-245,698.56-101,541.60

Finding the Fourth Proportional to 178,022.88, 245,698.56 and 101,541.60

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Solution

The fourth proportional to 178,022.88, 245,698.56 and 101,541.60 is: 140,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022.88 : 245,698.56 = 101,541.60 : x
  2. Step 2: Convert to fraction form
    178,022.88/245,698.56 = 101,541.60/x
  3. Step 3: Cross multiply
    178,022.88x = 245,698.56 × 101,541.60
  4. Step 4: Simplify right side
    178,022.88x = 24,948,624,900.10
  5. Step 5: Solve for x
    x = 24,948,624,900.10/178,022.88
  6. Step 6: Final answer
    x = 140,142.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.