Home / 124,776.99-172,192.05-68,188.32

Finding the Fourth Proportional to 124,776.99, 172,192.05 and 68,188.32

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Solution

The fourth proportional to 124,776.99, 172,192.05 and 68,188.32 is: 94,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,776.99 : 172,192.05 = 68,188.32 : x
  2. Step 2: Convert to fraction form
    124,776.99/172,192.05 = 68,188.32/x
  3. Step 3: Cross multiply
    124,776.99x = 172,192.05 × 68,188.32
  4. Step 4: Simplify right side
    124,776.99x = 11,741,486,606.86
  5. Step 5: Solve for x
    x = 11,741,486,606.86/124,776.99
  6. Step 6: Final answer
    x = 94,099.77

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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.