Home / 162,035.82-242,889.66-77,672.34

Finding the Fourth Proportional to 162,035.82, 242,889.66 and 77,672.34

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Solution

The fourth proportional to 162,035.82, 242,889.66 and 77,672.34 is: 116,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,035.82 : 242,889.66 = 77,672.34 : x
  2. Step 2: Convert to fraction form
    162,035.82/242,889.66 = 77,672.34/x
  3. Step 3: Cross multiply
    162,035.82x = 242,889.66 × 77,672.34
  4. Step 4: Simplify right side
    162,035.82x = 18,865,808,254.00
  5. Step 5: Solve for x
    x = 18,865,808,254.00/162,035.82
  6. Step 6: Final answer
    x = 116,429.86

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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.