Home / 126,521.52-190,015.56-100,394.16

Finding the Fourth Proportional to 126,521.52, 190,015.56 and 100,394.16

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Solution

The fourth proportional to 126,521.52, 190,015.56 and 100,394.16 is: 150,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,521.52 : 190,015.56 = 100,394.16 : x
  2. Step 2: Convert to fraction form
    126,521.52/190,015.56 = 100,394.16/x
  3. Step 3: Cross multiply
    126,521.52x = 190,015.56 × 100,394.16
  4. Step 4: Simplify right side
    126,521.52x = 19,076,452,533.13
  5. Step 5: Solve for x
    x = 19,076,452,533.13/126,521.52
  6. Step 6: Final answer
    x = 150,776.35

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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.