Home / 355,176.20-532,762.86-168,318.92

Finding the Fourth Proportional to 355,176.20, 532,762.86 and 168,318.92

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Solution

The fourth proportional to 355,176.20, 532,762.86 and 168,318.92 is: 252,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,176.20 : 532,762.86 = 168,318.92 : x
  2. Step 2: Convert to fraction form
    355,176.20/532,762.86 = 168,318.92/x
  3. Step 3: Cross multiply
    355,176.20x = 532,762.86 × 168,318.92
  4. Step 4: Simplify right side
    355,176.20x = 89,674,069,211.31
  5. Step 5: Solve for x
    x = 89,674,069,211.31/355,176.20
  6. Step 6: Final answer
    x = 252,477.70

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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.