Home / 218,496.86-301,531.50-123,007.18

Finding the Fourth Proportional to 218,496.86, 301,531.50 and 123,007.18

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Solution

The fourth proportional to 218,496.86, 301,531.50 and 123,007.18 is: 169,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,496.86 : 301,531.50 = 123,007.18 : x
  2. Step 2: Convert to fraction form
    218,496.86/301,531.50 = 123,007.18/x
  3. Step 3: Cross multiply
    218,496.86x = 301,531.50 × 123,007.18
  4. Step 4: Simplify right side
    218,496.86x = 37,090,539,496.17
  5. Step 5: Solve for x
    x = 37,090,539,496.17/218,496.86
  6. Step 6: Final answer
    x = 169,753.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.