Home / 123,994.18-171,115.50-70,277.01

Finding the Fourth Proportional to 123,994.18, 171,115.50 and 70,277.01

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Solution

The fourth proportional to 123,994.18, 171,115.50 and 70,277.01 is: 96,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,994.18 : 171,115.50 = 70,277.01 : x
  2. Step 2: Convert to fraction form
    123,994.18/171,115.50 = 70,277.01/x
  3. Step 3: Cross multiply
    123,994.18x = 171,115.50 × 70,277.01
  4. Step 4: Simplify right side
    123,994.18x = 12,025,485,704.66
  5. Step 5: Solve for x
    x = 12,025,485,704.66/123,994.18
  6. Step 6: Final answer
    x = 96,984.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.