Home / 563,382.40-845,065.44-136,921.36

Finding the Fourth Proportional to 563,382.40, 845,065.44 and 136,921.36

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Solution

The fourth proportional to 563,382.40, 845,065.44 and 136,921.36 is: 205,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,382.40 : 845,065.44 = 136,921.36 : x
  2. Step 2: Convert to fraction form
    563,382.40/845,065.44 = 136,921.36/x
  3. Step 3: Cross multiply
    563,382.40x = 845,065.44 × 136,921.36
  4. Step 4: Simplify right side
    563,382.40x = 115,707,509,333.80
  5. Step 5: Solve for x
    x = 115,707,509,333.80/563,382.40
  6. Step 6: Final answer
    x = 205,380.06

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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.