Home / 156,737.85-235,106.78-109,498.65

Finding the Fourth Proportional to 156,737.85, 235,106.78 and 109,498.65

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Solution

The fourth proportional to 156,737.85, 235,106.78 and 109,498.65 is: 164,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.85 : 235,106.78 = 109,498.65 : x
  2. Step 2: Convert to fraction form
    156,737.85/235,106.78 = 109,498.65/x
  3. Step 3: Cross multiply
    156,737.85x = 235,106.78 × 109,498.65
  4. Step 4: Simplify right side
    156,737.85x = 25,743,874,468.35
  5. Step 5: Solve for x
    x = 25,743,874,468.35/156,737.85
  6. Step 6: Final answer
    x = 164,247.98

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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.