Home / 239,636.02-359,500.11-91,880.50

Finding the Fourth Proportional to 239,636.02, 359,500.11 and 91,880.50

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Solution

The fourth proportional to 239,636.02, 359,500.11 and 91,880.50 is: 137,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,636.02 : 359,500.11 = 91,880.50 : x
  2. Step 2: Convert to fraction form
    239,636.02/359,500.11 = 91,880.50/x
  3. Step 3: Cross multiply
    239,636.02x = 359,500.11 × 91,880.50
  4. Step 4: Simplify right side
    239,636.02x = 33,031,049,856.86
  5. Step 5: Solve for x
    x = 33,031,049,856.86/239,636.02
  6. Step 6: Final answer
    x = 137,838.42

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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.