Home / 134,636.20-201,954.30-45,881.80

Finding the Fourth Proportional to 134,636.20, 201,954.30 and 45,881.80

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Solution

The fourth proportional to 134,636.20, 201,954.30 and 45,881.80 is: 68,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636.20 : 201,954.30 = 45,881.80 : x
  2. Step 2: Convert to fraction form
    134,636.20/201,954.30 = 45,881.80/x
  3. Step 3: Cross multiply
    134,636.20x = 201,954.30 × 45,881.80
  4. Step 4: Simplify right side
    134,636.20x = 9,266,026,801.74
  5. Step 5: Solve for x
    x = 9,266,026,801.74/134,636.20
  6. Step 6: Final answer
    x = 68,822.70

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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.