Home / 162,701.31-243,994.77-48,815.16

Finding the Fourth Proportional to 162,701.31, 243,994.77 and 48,815.16

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Solution

The fourth proportional to 162,701.31, 243,994.77 and 48,815.16 is: 73,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,701.31 : 243,994.77 = 48,815.16 : x
  2. Step 2: Convert to fraction form
    162,701.31/243,994.77 = 48,815.16/x
  3. Step 3: Cross multiply
    162,701.31x = 243,994.77 × 48,815.16
  4. Step 4: Simplify right side
    162,701.31x = 11,910,643,736.71
  5. Step 5: Solve for x
    x = 11,910,643,736.71/162,701.31
  6. Step 6: Final answer
    x = 73,205.58

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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.