Home / 132,094.77-198,131.37-52,129.51

Finding the Fourth Proportional to 132,094.77, 198,131.37 and 52,129.51

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Solution

The fourth proportional to 132,094.77, 198,131.37 and 52,129.51 is: 78,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,094.77 : 198,131.37 = 52,129.51 : x
  2. Step 2: Convert to fraction form
    132,094.77/198,131.37 = 52,129.51/x
  3. Step 3: Cross multiply
    132,094.77x = 198,131.37 × 52,129.51
  4. Step 4: Simplify right side
    132,094.77x = 10,328,490,542.91
  5. Step 5: Solve for x
    x = 10,328,490,542.91/132,094.77
  6. Step 6: Final answer
    x = 78,190.01

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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.