Home / 189,429.59-261,446.73-112,953.62

Finding the Fourth Proportional to 189,429.59, 261,446.73 and 112,953.62

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Solution

The fourth proportional to 189,429.59, 261,446.73 and 112,953.62 is: 155,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,429.59 : 261,446.73 = 112,953.62 : x
  2. Step 2: Convert to fraction form
    189,429.59/261,446.73 = 112,953.62/x
  3. Step 3: Cross multiply
    189,429.59x = 261,446.73 × 112,953.62
  4. Step 4: Simplify right side
    189,429.59x = 29,531,354,590.66
  5. Step 5: Solve for x
    x = 29,531,354,590.66/189,429.59
  6. Step 6: Final answer
    x = 155,896.21

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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.