Home / 205,732.01-308,595.78-156,116.81

Finding the Fourth Proportional to 205,732.01, 308,595.78 and 156,116.81

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Solution

The fourth proportional to 205,732.01, 308,595.78 and 156,116.81 is: 234,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,732.01 : 308,595.78 = 156,116.81 : x
  2. Step 2: Convert to fraction form
    205,732.01/308,595.78 = 156,116.81/x
  3. Step 3: Cross multiply
    205,732.01x = 308,595.78 × 156,116.81
  4. Step 4: Simplify right side
    205,732.01x = 48,176,987,210.08
  5. Step 5: Solve for x
    x = 48,176,987,210.08/205,732.01
  6. Step 6: Final answer
    x = 234,173.52

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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.