Home / 126,522.52-190,017.06-100,395.16

Finding the Fourth Proportional to 126,522.52, 190,017.06 and 100,395.16

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Solution

The fourth proportional to 126,522.52, 190,017.06 and 100,395.16 is: 150,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,522.52 : 190,017.06 = 100,395.16 : x
  2. Step 2: Convert to fraction form
    126,522.52/190,017.06 = 100,395.16/x
  3. Step 3: Cross multiply
    126,522.52x = 190,017.06 × 100,395.16
  4. Step 4: Simplify right side
    126,522.52x = 19,076,793,141.43
  5. Step 5: Solve for x
    x = 19,076,793,141.43/126,522.52
  6. Step 6: Final answer
    x = 150,777.85

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1.5x scale

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.