Home / 329,743.82-455,056.80-186,501.08

Finding the Fourth Proportional to 329,743.82, 455,056.80 and 186,501.08

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Solution

The fourth proportional to 329,743.82, 455,056.80 and 186,501.08 is: 257,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,743.82 : 455,056.80 = 186,501.08 : x
  2. Step 2: Convert to fraction form
    329,743.82/455,056.80 = 186,501.08/x
  3. Step 3: Cross multiply
    329,743.82x = 455,056.80 × 186,501.08
  4. Step 4: Simplify right side
    329,743.82x = 84,868,584,661.34
  5. Step 5: Solve for x
    x = 84,868,584,661.34/329,743.82
  6. Step 6: Final answer
    x = 257,377.33

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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.