Home / 101,420.21-152,205.06-48,112.36

Finding the Fourth Proportional to 101,420.21, 152,205.06 and 48,112.36

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Solution

The fourth proportional to 101,420.21, 152,205.06 and 48,112.36 is: 72,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,420.21 : 152,205.06 = 48,112.36 : x
  2. Step 2: Convert to fraction form
    101,420.21/152,205.06 = 48,112.36/x
  3. Step 3: Cross multiply
    101,420.21x = 152,205.06 × 48,112.36
  4. Step 4: Simplify right side
    101,420.21x = 7,322,944,640.54
  5. Step 5: Solve for x
    x = 7,322,944,640.54/101,420.21
  6. Step 6: Final answer
    x = 72,204.00

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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.