Home / 293,731.76-405,348.41-166,407.05

Finding the Fourth Proportional to 293,731.76, 405,348.41 and 166,407.05

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Solution

The fourth proportional to 293,731.76, 405,348.41 and 166,407.05 is: 229,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,731.76 : 405,348.41 = 166,407.05 : x
  2. Step 2: Convert to fraction form
    293,731.76/405,348.41 = 166,407.05/x
  3. Step 3: Cross multiply
    293,731.76x = 405,348.41 × 166,407.05
  4. Step 4: Simplify right side
    293,731.76x = 67,452,830,271.51
  5. Step 5: Solve for x
    x = 67,452,830,271.51/293,731.76
  6. Step 6: Final answer
    x = 229,640.92

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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.