Home / 135,639.02-203,484.04-54,592.24

Finding the Fourth Proportional to 135,639.02, 203,484.04 and 54,592.24

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Solution

The fourth proportional to 135,639.02, 203,484.04 and 54,592.24 is: 81,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,639.02 : 203,484.04 = 54,592.24 : x
  2. Step 2: Convert to fraction form
    135,639.02/203,484.04 = 54,592.24/x
  3. Step 3: Cross multiply
    135,639.02x = 203,484.04 × 54,592.24
  4. Step 4: Simplify right side
    135,639.02x = 11,108,649,547.85
  5. Step 5: Solve for x
    x = 11,108,649,547.85/135,639.02
  6. Step 6: Final answer
    x = 81,898.63

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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.