Home / 162,963.90-244,555.20-74,171.70

Finding the Fourth Proportional to 162,963.90, 244,555.20 and 74,171.70

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Solution

The fourth proportional to 162,963.90, 244,555.20 and 74,171.70 is: 111,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,963.90 : 244,555.20 = 74,171.70 : x
  2. Step 2: Convert to fraction form
    162,963.90/244,555.20 = 74,171.70/x
  3. Step 3: Cross multiply
    162,963.90x = 244,555.20 × 74,171.70
  4. Step 4: Simplify right side
    162,963.90x = 18,139,074,927.84
  5. Step 5: Solve for x
    x = 18,139,074,927.84/162,963.90
  6. Step 6: Final answer
    x = 111,307.32

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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.