Home / 268,966.08-403,320.36-156,678.24

Finding the Fourth Proportional to 268,966.08, 403,320.36 and 156,678.24

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Solution

The fourth proportional to 268,966.08, 403,320.36 and 156,678.24 is: 234,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,966.08 : 403,320.36 = 156,678.24 : x
  2. Step 2: Convert to fraction form
    268,966.08/403,320.36 = 156,678.24/x
  3. Step 3: Cross multiply
    268,966.08x = 403,320.36 × 156,678.24
  4. Step 4: Simplify right side
    268,966.08x = 63,191,524,160.97
  5. Step 5: Solve for x
    x = 63,191,524,160.97/268,966.08
  6. Step 6: Final answer
    x = 234,942.35

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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.