Home / 563,633.77-845,443.40-137,170.30

Finding the Fourth Proportional to 563,633.77, 845,443.40 and 137,170.30

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Solution

The fourth proportional to 563,633.77, 845,443.40 and 137,170.30 is: 205,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,633.77 : 845,443.40 = 137,170.30 : x
  2. Step 2: Convert to fraction form
    563,633.77/845,443.40 = 137,170.30/x
  3. Step 3: Cross multiply
    563,633.77x = 845,443.40 × 137,170.30
  4. Step 4: Simplify right side
    563,633.77x = 115,969,724,811.02
  5. Step 5: Solve for x
    x = 115,969,724,811.02/563,633.77
  6. Step 6: Final answer
    x = 205,753.68

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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.