Home / 164,815.80-247,070.10-114,895.80

Finding the Fourth Proportional to 164,815.80, 247,070.10 and 114,895.80

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Solution

The fourth proportional to 164,815.80, 247,070.10 and 114,895.80 is: 172,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,815.80 : 247,070.10 = 114,895.80 : x
  2. Step 2: Convert to fraction form
    164,815.80/247,070.10 = 114,895.80/x
  3. Step 3: Cross multiply
    164,815.80x = 247,070.10 × 114,895.80
  4. Step 4: Simplify right side
    164,815.80x = 28,387,316,795.58
  5. Step 5: Solve for x
    x = 28,387,316,795.58/164,815.80
  6. Step 6: Final answer
    x = 172,236.62

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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.