Home / 174,698.20-262,047.30-81,386.20

Finding the Fourth Proportional to 174,698.20, 262,047.30 and 81,386.20

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Solution

The fourth proportional to 174,698.20, 262,047.30 and 81,386.20 is: 122,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,698.20 : 262,047.30 = 81,386.20 : x
  2. Step 2: Convert to fraction form
    174,698.20/262,047.30 = 81,386.20/x
  3. Step 3: Cross multiply
    174,698.20x = 262,047.30 × 81,386.20
  4. Step 4: Simplify right side
    174,698.20x = 21,327,033,967.26
  5. Step 5: Solve for x
    x = 21,327,033,967.26/174,698.20
  6. Step 6: Final answer
    x = 122,079.30

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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.