Home / 134,475.36-201,654.68-45,705

Finding the Fourth Proportional to 134,475.36, 201,654.68 and 45,705

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Solution

The fourth proportional to 134,475.36, 201,654.68 and 45,705 is: 68,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.36 : 201,654.68 = 45,705 : x
  2. Step 2: Convert to fraction form
    134,475.36/201,654.68 = 45,705/x
  3. Step 3: Cross multiply
    134,475.36x = 201,654.68 × 45,705
  4. Step 4: Simplify right side
    134,475.36x = 9,216,627,149.40
  5. Step 5: Solve for x
    x = 9,216,627,149.40/134,475.36
  6. Step 6: Final answer
    x = 68,537.66

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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.