Home / 155,619.32-233,449.32-55,790.66

Finding the Fourth Proportional to 155,619.32, 233,449.32 and 55,790.66

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Solution

The fourth proportional to 155,619.32, 233,449.32 and 55,790.66 is: 83,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,619.32 : 233,449.32 = 55,790.66 : x
  2. Step 2: Convert to fraction form
    155,619.32/233,449.32 = 55,790.66/x
  3. Step 3: Cross multiply
    155,619.32x = 233,449.32 × 55,790.66
  4. Step 4: Simplify right side
    155,619.32x = 13,024,290,472.10
  5. Step 5: Solve for x
    x = 13,024,290,472.10/155,619.32
  6. Step 6: Final answer
    x = 83,693.28

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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.