Home / 189,575.64-261,494.23-144,154.05

Finding the Fourth Proportional to 189,575.64, 261,494.23 and 144,154.05

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Solution

The fourth proportional to 189,575.64, 261,494.23 and 144,154.05 is: 198,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,575.64 : 261,494.23 = 144,154.05 : x
  2. Step 2: Convert to fraction form
    189,575.64/261,494.23 = 144,154.05/x
  3. Step 3: Cross multiply
    189,575.64x = 261,494.23 × 144,154.05
  4. Step 4: Simplify right side
    189,575.64x = 37,695,452,306.13
  5. Step 5: Solve for x
    x = 37,695,452,306.13/189,575.64
  6. Step 6: Final answer
    x = 198,841.22

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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.