Home / 162,081.68-243,195.24-102,901.52

Finding the Fourth Proportional to 162,081.68, 243,195.24 and 102,901.52

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Solution

The fourth proportional to 162,081.68, 243,195.24 and 102,901.52 is: 154,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,081.68 : 243,195.24 = 102,901.52 : x
  2. Step 2: Convert to fraction form
    162,081.68/243,195.24 = 102,901.52/x
  3. Step 3: Cross multiply
    162,081.68x = 243,195.24 × 102,901.52
  4. Step 4: Simplify right side
    162,081.68x = 25,025,159,852.76
  5. Step 5: Solve for x
    x = 25,025,159,852.76/162,081.68
  6. Step 6: Final answer
    x = 154,398.45

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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.