Home / 661,317.17-991,983.86-188,001.77

Finding the Fourth Proportional to 661,317.17, 991,983.86 and 188,001.77

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Solution

The fourth proportional to 661,317.17, 991,983.86 and 188,001.77 is: 282,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,317.17 : 991,983.86 = 188,001.77 : x
  2. Step 2: Convert to fraction form
    661,317.17/991,983.86 = 188,001.77/x
  3. Step 3: Cross multiply
    661,317.17x = 991,983.86 × 188,001.77
  4. Step 4: Simplify right side
    661,317.17x = 186,494,720,551.42
  5. Step 5: Solve for x
    x = 186,494,720,551.42/661,317.17
  6. Step 6: Final answer
    x = 282,004.96

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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.