Home / 156,960.65-235,440.98-103,816.55

Finding the Fourth Proportional to 156,960.65, 235,440.98 and 103,816.55

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Solution

The fourth proportional to 156,960.65, 235,440.98 and 103,816.55 is: 155,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.65 : 235,440.98 = 103,816.55 : x
  2. Step 2: Convert to fraction form
    156,960.65/235,440.98 = 103,816.55/x
  3. Step 3: Cross multiply
    156,960.65x = 235,440.98 × 103,816.55
  4. Step 4: Simplify right side
    156,960.65x = 24,442,670,272.22
  5. Step 5: Solve for x
    x = 24,442,670,272.22/156,960.65
  6. Step 6: Final answer
    x = 155,724.83

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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.