Home / 329,927.40-455,299.86-186,684.54

Finding the Fourth Proportional to 329,927.40, 455,299.86 and 186,684.54

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Solution

The fourth proportional to 329,927.40, 455,299.86 and 186,684.54 is: 257,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,927.40 : 455,299.86 = 186,684.54 : x
  2. Step 2: Convert to fraction form
    329,927.40/455,299.86 = 186,684.54/x
  3. Step 3: Cross multiply
    329,927.40x = 455,299.86 × 186,684.54
  4. Step 4: Simplify right side
    329,927.40x = 84,997,444,926.16
  5. Step 5: Solve for x
    x = 84,997,444,926.16/329,927.40
  6. Step 6: Final answer
    x = 257,624.69

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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.