Home / 215,118.48-322,677.37-102,457.00

Finding the Fourth Proportional to 215,118.48, 322,677.37 and 102,457.00

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Solution

The fourth proportional to 215,118.48, 322,677.37 and 102,457.00 is: 153,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,118.48 : 322,677.37 = 102,457.00 : x
  2. Step 2: Convert to fraction form
    215,118.48/322,677.37 = 102,457.00/x
  3. Step 3: Cross multiply
    215,118.48x = 322,677.37 × 102,457.00
  4. Step 4: Simplify right side
    215,118.48x = 33,060,555,829.51
  5. Step 5: Solve for x
    x = 33,060,555,829.51/215,118.48
  6. Step 6: Final answer
    x = 153,685.33

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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.