Home / 126,722.50-189,925.74-110,889.93

Finding the Fourth Proportional to 126,722.50, 189,925.74 and 110,889.93

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Solution

The fourth proportional to 126,722.50, 189,925.74 and 110,889.93 is: 166,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.50 : 189,925.74 = 110,889.93 : x
  2. Step 2: Convert to fraction form
    126,722.50/189,925.74 = 110,889.93/x
  3. Step 3: Cross multiply
    126,722.50x = 189,925.74 × 110,889.93
  4. Step 4: Simplify right side
    126,722.50x = 21,060,852,013.80
  5. Step 5: Solve for x
    x = 21,060,852,013.80/126,722.50
  6. Step 6: Final answer
    x = 166,196.63

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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.