Home / 189,526.59-261,562.05-108,980.31

Finding the Fourth Proportional to 189,526.59, 261,562.05 and 108,980.31

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Solution

The fourth proportional to 189,526.59, 261,562.05 and 108,980.31 is: 150,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,526.59 : 261,562.05 = 108,980.31 : x
  2. Step 2: Convert to fraction form
    189,526.59/261,562.05 = 108,980.31/x
  3. Step 3: Cross multiply
    189,526.59x = 261,562.05 × 108,980.31
  4. Step 4: Simplify right side
    189,526.59x = 28,505,113,293.24
  5. Step 5: Solve for x
    x = 28,505,113,293.24/189,526.59
  6. Step 6: Final answer
    x = 150,401.66

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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.