Home / 459,864.27-689,900.22-140,044.77

Finding the Fourth Proportional to 459,864.27, 689,900.22 and 140,044.77

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Solution

The fourth proportional to 459,864.27, 689,900.22 and 140,044.77 is: 210,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,864.27 : 689,900.22 = 140,044.77 : x
  2. Step 2: Convert to fraction form
    459,864.27/689,900.22 = 140,044.77/x
  3. Step 3: Cross multiply
    459,864.27x = 689,900.22 × 140,044.77
  4. Step 4: Simplify right side
    459,864.27x = 96,616,917,632.85
  5. Step 5: Solve for x
    x = 96,616,917,632.85/459,864.27
  6. Step 6: Final answer
    x = 210,098.77

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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.