Home / 126,616.77-189,925.13-51,736.84

Finding the Fourth Proportional to 126,616.77, 189,925.13 and 51,736.84

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Solution

The fourth proportional to 126,616.77, 189,925.13 and 51,736.84 is: 77,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,616.77 : 189,925.13 = 51,736.84 : x
  2. Step 2: Convert to fraction form
    126,616.77/189,925.13 = 51,736.84/x
  3. Step 3: Cross multiply
    126,616.77x = 189,925.13 × 51,736.84
  4. Step 4: Simplify right side
    126,616.77x = 9,826,125,717.32
  5. Step 5: Solve for x
    x = 9,826,125,717.32/126,616.77
  6. Step 6: Final answer
    x = 77,605.25

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1.5x scale

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.