Home / 194,922.81-268,993.58-105,498.81

Finding the Fourth Proportional to 194,922.81, 268,993.58 and 105,498.81

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Solution

The fourth proportional to 194,922.81, 268,993.58 and 105,498.81 is: 145,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,922.81 : 268,993.58 = 105,498.81 : x
  2. Step 2: Convert to fraction form
    194,922.81/268,993.58 = 105,498.81/x
  3. Step 3: Cross multiply
    194,922.81x = 268,993.58 × 105,498.81
  4. Step 4: Simplify right side
    194,922.81x = 28,378,502,060.15
  5. Step 5: Solve for x
    x = 28,378,502,060.15/194,922.81
  6. Step 6: Final answer
    x = 145,588.41

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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.