Home / 155,547.52-233,131.73-80,626.36

Finding the Fourth Proportional to 155,547.52, 233,131.73 and 80,626.36

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Solution

The fourth proportional to 155,547.52, 233,131.73 and 80,626.36 is: 120,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,547.52 : 233,131.73 = 80,626.36 : x
  2. Step 2: Convert to fraction form
    155,547.52/233,131.73 = 80,626.36/x
  3. Step 3: Cross multiply
    155,547.52x = 233,131.73 × 80,626.36
  4. Step 4: Simplify right side
    155,547.52x = 18,796,562,790.40
  5. Step 5: Solve for x
    x = 18,796,562,790.40/155,547.52
  6. Step 6: Final answer
    x = 120,841.29

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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.