Home / 165,081.10-247,621.65-153,927.40

Finding the Fourth Proportional to 165,081.10, 247,621.65 and 153,927.40

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Solution

The fourth proportional to 165,081.10, 247,621.65 and 153,927.40 is: 230,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081.10 : 247,621.65 = 153,927.40 : x
  2. Step 2: Convert to fraction form
    165,081.10/247,621.65 = 153,927.40/x
  3. Step 3: Cross multiply
    165,081.10x = 247,621.65 × 153,927.40
  4. Step 4: Simplify right side
    165,081.10x = 38,115,756,768.21
  5. Step 5: Solve for x
    x = 38,115,756,768.21/165,081.10
  6. Step 6: Final answer
    x = 230,891.10

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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.