Home / 134,588.20-201,809.40-55,613.20

Finding the Fourth Proportional to 134,588.20, 201,809.40 and 55,613.20

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Solution

The fourth proportional to 134,588.20, 201,809.40 and 55,613.20 is: 83,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,588.20 : 201,809.40 = 55,613.20 : x
  2. Step 2: Convert to fraction form
    134,588.20/201,809.40 = 55,613.20/x
  3. Step 3: Cross multiply
    134,588.20x = 201,809.40 × 55,613.20
  4. Step 4: Simplify right side
    134,588.20x = 11,223,266,524.08
  5. Step 5: Solve for x
    x = 11,223,266,524.08/134,588.20
  6. Step 6: Final answer
    x = 83,389.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.