Home / 239,518.10-358,981.30-205,545.32

Finding the Fourth Proportional to 239,518.10, 358,981.30 and 205,545.32

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Solution

The fourth proportional to 239,518.10, 358,981.30 and 205,545.32 is: 308,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,518.10 : 358,981.30 = 205,545.32 : x
  2. Step 2: Convert to fraction form
    239,518.10/358,981.30 = 205,545.32/x
  3. Step 3: Cross multiply
    239,518.10x = 358,981.30 × 205,545.32
  4. Step 4: Simplify right side
    239,518.10x = 73,786,926,182.52
  5. Step 5: Solve for x
    x = 73,786,926,182.52/239,518.10
  6. Step 6: Final answer
    x = 308,064.09

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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.