Home / 661,318.17-991,985.36-188,002.77

Finding the Fourth Proportional to 661,318.17, 991,985.36 and 188,002.77

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Solution

The fourth proportional to 661,318.17, 991,985.36 and 188,002.77 is: 282,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,318.17 : 991,985.36 = 188,002.77 : x
  2. Step 2: Convert to fraction form
    661,318.17/991,985.36 = 188,002.77/x
  3. Step 3: Cross multiply
    661,318.17x = 991,985.36 × 188,002.77
  4. Step 4: Simplify right side
    661,318.17x = 186,495,995,479.45
  5. Step 5: Solve for x
    x = 186,495,995,479.45/661,318.17
  6. Step 6: Final answer
    x = 282,006.46

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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.