Home / 189,248.45-261,154.08-108,619.23

Finding the Fourth Proportional to 189,248.45, 261,154.08 and 108,619.23

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Solution

The fourth proportional to 189,248.45, 261,154.08 and 108,619.23 is: 149,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,248.45 : 261,154.08 = 108,619.23 : x
  2. Step 2: Convert to fraction form
    189,248.45/261,154.08 = 108,619.23/x
  3. Step 3: Cross multiply
    189,248.45x = 261,154.08 × 108,619.23
  4. Step 4: Simplify right side
    189,248.45x = 28,366,355,080.96
  5. Step 5: Solve for x
    x = 28,366,355,080.96/189,248.45
  6. Step 6: Final answer
    x = 149,889.50

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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.