Home / 189,926.94-262,070.04-109,338.88

Finding the Fourth Proportional to 189,926.94, 262,070.04 and 109,338.88

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Solution

The fourth proportional to 189,926.94, 262,070.04 and 109,338.88 is: 150,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926.94 : 262,070.04 = 109,338.88 : x
  2. Step 2: Convert to fraction form
    189,926.94/262,070.04 = 109,338.88/x
  3. Step 3: Cross multiply
    189,926.94x = 262,070.04 × 109,338.88
  4. Step 4: Simplify right side
    189,926.94x = 28,654,444,655.16
  5. Step 5: Solve for x
    x = 28,654,444,655.16/189,926.94
  6. Step 6: Final answer
    x = 150,870.88

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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.