Home / 156,979.62-235,477.59-51,806.79

Finding the Fourth Proportional to 156,979.62, 235,477.59 and 51,806.79

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Solution

The fourth proportional to 156,979.62, 235,477.59 and 51,806.79 is: 77,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.62 : 235,477.59 = 51,806.79 : x
  2. Step 2: Convert to fraction form
    156,979.62/235,477.59 = 51,806.79/x
  3. Step 3: Cross multiply
    156,979.62x = 235,477.59 × 51,806.79
  4. Step 4: Simplify right side
    156,979.62x = 12,199,338,054.84
  5. Step 5: Solve for x
    x = 12,199,338,054.84/156,979.62
  6. Step 6: Final answer
    x = 77,712.88

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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.