Home / 124,777.99-172,193.43-68,189.32

Finding the Fourth Proportional to 124,777.99, 172,193.43 and 68,189.32

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Solution

The fourth proportional to 124,777.99, 172,193.43 and 68,189.32 is: 94,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.99 : 172,193.43 = 68,189.32 : x
  2. Step 2: Convert to fraction form
    124,777.99/172,193.43 = 68,189.32/x
  3. Step 3: Cross multiply
    124,777.99x = 172,193.43 × 68,189.32
  4. Step 4: Simplify right side
    124,777.99x = 11,741,752,900.17
  5. Step 5: Solve for x
    x = 11,741,752,900.17/124,777.99
  6. Step 6: Final answer
    x = 94,101.15

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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.