Home / 148,550.13-204,999.51-84,887.77

Finding the Fourth Proportional to 148,550.13, 204,999.51 and 84,887.77

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Solution

The fourth proportional to 148,550.13, 204,999.51 and 84,887.77 is: 117,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,550.13 : 204,999.51 = 84,887.77 : x
  2. Step 2: Convert to fraction form
    148,550.13/204,999.51 = 84,887.77/x
  3. Step 3: Cross multiply
    148,550.13x = 204,999.51 × 84,887.77
  4. Step 4: Simplify right side
    148,550.13x = 17,401,951,254.99
  5. Step 5: Solve for x
    x = 17,401,951,254.99/148,550.13
  6. Step 6: Final answer
    x = 117,145.31

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1.5x scale

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.