Home / 156,981.62-235,467.14-68,235.13

Finding the Fourth Proportional to 156,981.62, 235,467.14 and 68,235.13

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Solution

The fourth proportional to 156,981.62, 235,467.14 and 68,235.13 is: 102,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.62 : 235,467.14 = 68,235.13 : x
  2. Step 2: Convert to fraction form
    156,981.62/235,467.14 = 68,235.13/x
  3. Step 3: Cross multiply
    156,981.62x = 235,467.14 × 68,235.13
  4. Step 4: Simplify right side
    156,981.62x = 16,067,130,908.63
  5. Step 5: Solve for x
    x = 16,067,130,908.63/156,981.62
  6. Step 6: Final answer
    x = 102,350.40

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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.