Home / 329,971.32-455,367.22-186,731.33

Finding the Fourth Proportional to 329,971.32, 455,367.22 and 186,731.33

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Solution

The fourth proportional to 329,971.32, 455,367.22 and 186,731.33 is: 257,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,971.32 : 455,367.22 = 186,731.33 : x
  2. Step 2: Convert to fraction form
    329,971.32/455,367.22 = 186,731.33/x
  3. Step 3: Cross multiply
    329,971.32x = 455,367.22 × 186,731.33
  4. Step 4: Simplify right side
    329,971.32x = 85,031,323,885.34
  5. Step 5: Solve for x
    x = 85,031,323,885.34/329,971.32
  6. Step 6: Final answer
    x = 257,693.07

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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.