Home / 262,814.27-392,781.50-191,886.45

Finding the Fourth Proportional to 262,814.27, 392,781.50 and 191,886.45

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Solution

The fourth proportional to 262,814.27, 392,781.50 and 191,886.45 is: 286,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,814.27 : 392,781.50 = 191,886.45 : x
  2. Step 2: Convert to fraction form
    262,814.27/392,781.50 = 191,886.45/x
  3. Step 3: Cross multiply
    262,814.27x = 392,781.50 × 191,886.45
  4. Step 4: Simplify right side
    262,814.27x = 75,369,446,701.24
  5. Step 5: Solve for x
    x = 75,369,446,701.24/262,814.27
  6. Step 6: Final answer
    x = 286,778.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.