Home / 119,864.40-165,416.22-66,153.57

Finding the Fourth Proportional to 119,864.40, 165,416.22 and 66,153.57

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Solution

The fourth proportional to 119,864.40, 165,416.22 and 66,153.57 is: 91,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.40 : 165,416.22 = 66,153.57 : x
  2. Step 2: Convert to fraction form
    119,864.40/165,416.22 = 66,153.57/x
  3. Step 3: Cross multiply
    119,864.40x = 165,416.22 × 66,153.57
  4. Step 4: Simplify right side
    119,864.40x = 10,942,873,488.91
  5. Step 5: Solve for x
    x = 10,942,873,488.91/119,864.40
  6. Step 6: Final answer
    x = 91,293.77

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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.