Home / 152,182.28-209,715.48-109,660.52

Finding the Fourth Proportional to 152,182.28, 209,715.48 and 109,660.52

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Solution

The fourth proportional to 152,182.28, 209,715.48 and 109,660.52 is: 151,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,182.28 : 209,715.48 = 109,660.52 : x
  2. Step 2: Convert to fraction form
    152,182.28/209,715.48 = 109,660.52/x
  3. Step 3: Cross multiply
    152,182.28x = 209,715.48 × 109,660.52
  4. Step 4: Simplify right side
    152,182.28x = 22,997,508,588.85
  5. Step 5: Solve for x
    x = 22,997,508,588.85/152,182.28
  6. Step 6: Final answer
    x = 151,118.18

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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.