Home / 461,788.06-692,785.86-162,289.30

Finding the Fourth Proportional to 461,788.06, 692,785.86 and 162,289.30

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Solution

The fourth proportional to 461,788.06, 692,785.86 and 162,289.30 is: 243,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,788.06 : 692,785.86 = 162,289.30 : x
  2. Step 2: Convert to fraction form
    461,788.06/692,785.86 = 162,289.30/x
  3. Step 3: Cross multiply
    461,788.06x = 692,785.86 × 162,289.30
  4. Step 4: Simplify right side
    461,788.06x = 112,431,732,269.30
  5. Step 5: Solve for x
    x = 112,431,732,269.30/461,788.06
  6. Step 6: Final answer
    x = 243,470.42

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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.