Home / 101,216.79-151,704.39-47,108.66

Finding the Fourth Proportional to 101,216.79, 151,704.39 and 47,108.66

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Solution

The fourth proportional to 101,216.79, 151,704.39 and 47,108.66 is: 70,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,216.79 : 151,704.39 = 47,108.66 : x
  2. Step 2: Convert to fraction form
    101,216.79/151,704.39 = 47,108.66/x
  3. Step 3: Cross multiply
    101,216.79x = 151,704.39 × 47,108.66
  4. Step 4: Simplify right side
    101,216.79x = 7,146,590,529.02
  5. Step 5: Solve for x
    x = 7,146,590,529.02/101,216.79
  6. Step 6: Final answer
    x = 70,606.77

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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.