Home / 105,840.04-158,737.02-53,193.64

Finding the Fourth Proportional to 105,840.04, 158,737.02 and 53,193.64

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Solution

The fourth proportional to 105,840.04, 158,737.02 and 53,193.64 is: 79,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,840.04 : 158,737.02 = 53,193.64 : x
  2. Step 2: Convert to fraction form
    105,840.04/158,737.02 = 53,193.64/x
  3. Step 3: Cross multiply
    105,840.04x = 158,737.02 × 53,193.64
  4. Step 4: Simplify right side
    105,840.04x = 8,443,799,896.55
  5. Step 5: Solve for x
    x = 8,443,799,896.55/105,840.04
  6. Step 6: Final answer
    x = 79,778.88

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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.