Home / 563,381.50-845,103.04-142,661.02

Finding the Fourth Proportional to 563,381.50, 845,103.04 and 142,661.02

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Solution

The fourth proportional to 563,381.50, 845,103.04 and 142,661.02 is: 213,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,381.50 : 845,103.04 = 142,661.02 : x
  2. Step 2: Convert to fraction form
    563,381.50/845,103.04 = 142,661.02/x
  3. Step 3: Cross multiply
    563,381.50x = 845,103.04 × 142,661.02
  4. Step 4: Simplify right side
    563,381.50x = 120,563,261,691.50
  5. Step 5: Solve for x
    x = 120,563,261,691.50/563,381.50
  6. Step 6: Final answer
    x = 213,999.33

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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.