Home / 168,621.12-252,925.59-42,262.32

Finding the Fourth Proportional to 168,621.12, 252,925.59 and 42,262.32

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Solution

The fourth proportional to 168,621.12, 252,925.59 and 42,262.32 is: 63,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,621.12 : 252,925.59 = 42,262.32 : x
  2. Step 2: Convert to fraction form
    168,621.12/252,925.59 = 42,262.32/x
  3. Step 3: Cross multiply
    168,621.12x = 252,925.59 × 42,262.32
  4. Step 4: Simplify right side
    168,621.12x = 10,689,222,220.77
  5. Step 5: Solve for x
    x = 10,689,222,220.77/168,621.12
  6. Step 6: Final answer
    x = 63,391.95

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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.