Home / 384,977.51-577,322.45-132,186.23

Finding the Fourth Proportional to 384,977.51, 577,322.45 and 132,186.23

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Solution

The fourth proportional to 384,977.51, 577,322.45 and 132,186.23 is: 198,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,977.51 : 577,322.45 = 132,186.23 : x
  2. Step 2: Convert to fraction form
    384,977.51/577,322.45 = 132,186.23/x
  3. Step 3: Cross multiply
    384,977.51x = 577,322.45 × 132,186.23
  4. Step 4: Simplify right side
    384,977.51x = 76,314,077,498.93
  5. Step 5: Solve for x
    x = 76,314,077,498.93/384,977.51
  6. Step 6: Final answer
    x = 198,229.96

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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.