Home / 189,818.25-261,926.45-104,923.77

Finding the Fourth Proportional to 189,818.25, 261,926.45 and 104,923.77

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Solution

The fourth proportional to 189,818.25, 261,926.45 and 104,923.77 is: 144,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,818.25 : 261,926.45 = 104,923.77 : x
  2. Step 2: Convert to fraction form
    189,818.25/261,926.45 = 104,923.77/x
  3. Step 3: Cross multiply
    189,818.25x = 261,926.45 × 104,923.77
  4. Step 4: Simplify right side
    189,818.25x = 27,482,310,072.10
  5. Step 5: Solve for x
    x = 27,482,310,072.10/189,818.25
  6. Step 6: Final answer
    x = 144,782.23

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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.