Home / 201,588.89-278,182.30-110,953.46

Finding the Fourth Proportional to 201,588.89, 278,182.30 and 110,953.46

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Solution

The fourth proportional to 201,588.89, 278,182.30 and 110,953.46 is: 153,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,588.89 : 278,182.30 = 110,953.46 : x
  2. Step 2: Convert to fraction form
    201,588.89/278,182.30 = 110,953.46/x
  3. Step 3: Cross multiply
    201,588.89x = 278,182.30 × 110,953.46
  4. Step 4: Simplify right side
    201,588.89x = 30,865,288,148.29
  5. Step 5: Solve for x
    x = 30,865,288,148.29/201,588.89
  6. Step 6: Final answer
    x = 153,110.07

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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.