Home / 179,643.91-247,903.30-99,071.42

Finding the Fourth Proportional to 179,643.91, 247,903.30 and 99,071.42

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Solution

The fourth proportional to 179,643.91, 247,903.30 and 99,071.42 is: 136,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,643.91 : 247,903.30 = 99,071.42 : x
  2. Step 2: Convert to fraction form
    179,643.91/247,903.30 = 99,071.42/x
  3. Step 3: Cross multiply
    179,643.91x = 247,903.30 × 99,071.42
  4. Step 4: Simplify right side
    179,643.91x = 24,560,131,953.69
  5. Step 5: Solve for x
    x = 24,560,131,953.69/179,643.91
  6. Step 6: Final answer
    x = 136,715.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.