Home / 164,823.60-245,849.78-149,687.72

Finding the Fourth Proportional to 164,823.60, 245,849.78 and 149,687.72

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Solution

The fourth proportional to 164,823.60, 245,849.78 and 149,687.72 is: 223,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,823.60 : 245,849.78 = 149,687.72 : x
  2. Step 2: Convert to fraction form
    164,823.60/245,849.78 = 149,687.72/x
  3. Step 3: Cross multiply
    164,823.60x = 245,849.78 × 149,687.72
  4. Step 4: Simplify right side
    164,823.60x = 36,800,693,030.70
  5. Step 5: Solve for x
    x = 36,800,693,030.70/164,823.60
  6. Step 6: Final answer
    x = 223,273.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.