Home / 134,053.24-201,108.78-45,304.78

Finding the Fourth Proportional to 134,053.24, 201,108.78 and 45,304.78

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Solution

The fourth proportional to 134,053.24, 201,108.78 and 45,304.78 is: 67,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,053.24 : 201,108.78 = 45,304.78 : x
  2. Step 2: Convert to fraction form
    134,053.24/201,108.78 = 45,304.78/x
  3. Step 3: Cross multiply
    134,053.24x = 201,108.78 × 45,304.78
  4. Step 4: Simplify right side
    134,053.24x = 9,111,189,033.97
  5. Step 5: Solve for x
    x = 9,111,189,033.97/134,053.24
  6. Step 6: Final answer
    x = 67,966.94

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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.