Home / 305,555.04-458,423.28-165,276

Finding the Fourth Proportional to 305,555.04, 458,423.28 and 165,276

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Solution

The fourth proportional to 305,555.04, 458,423.28 and 165,276 is: 247,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,555.04 : 458,423.28 = 165,276 : x
  2. Step 2: Convert to fraction form
    305,555.04/458,423.28 = 165,276/x
  3. Step 3: Cross multiply
    305,555.04x = 458,423.28 × 165,276
  4. Step 4: Simplify right side
    305,555.04x = 75,766,366,025.28
  5. Step 5: Solve for x
    x = 75,766,366,025.28/305,555.04
  6. Step 6: Final answer
    x = 247,963.07

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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.