Home / 162,179.77-243,292.93-49,869.43

Finding the Fourth Proportional to 162,179.77, 243,292.93 and 49,869.43

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Solution

The fourth proportional to 162,179.77, 243,292.93 and 49,869.43 is: 74,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,179.77 : 243,292.93 = 49,869.43 : x
  2. Step 2: Convert to fraction form
    162,179.77/243,292.93 = 49,869.43/x
  3. Step 3: Cross multiply
    162,179.77x = 243,292.93 × 49,869.43
  4. Step 4: Simplify right side
    162,179.77x = 12,132,878,400.99
  5. Step 5: Solve for x
    x = 12,132,878,400.99/162,179.77
  6. Step 6: Final answer
    x = 74,811.30

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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.