Home / 126,617.15-189,925.70-51,737.22

Finding the Fourth Proportional to 126,617.15, 189,925.70 and 51,737.22

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Solution

The fourth proportional to 126,617.15, 189,925.70 and 51,737.22 is: 77,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,617.15 : 189,925.70 = 51,737.22 : x
  2. Step 2: Convert to fraction form
    126,617.15/189,925.70 = 51,737.22/x
  3. Step 3: Cross multiply
    126,617.15x = 189,925.70 × 51,737.22
  4. Step 4: Simplify right side
    126,617.15x = 9,826,227,465.87
  5. Step 5: Solve for x
    x = 9,826,227,465.87/126,617.15
  6. Step 6: Final answer
    x = 77,605.82

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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.