Home / 174,778.80-261,995.40-69,457.20

Finding the Fourth Proportional to 174,778.80, 261,995.40 and 69,457.20

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Solution

The fourth proportional to 174,778.80, 261,995.40 and 69,457.20 is: 104,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,778.80 : 261,995.40 = 69,457.20 : x
  2. Step 2: Convert to fraction form
    174,778.80/261,995.40 = 69,457.20/x
  3. Step 3: Cross multiply
    174,778.80x = 261,995.40 × 69,457.20
  4. Step 4: Simplify right side
    174,778.80x = 18,197,466,896.88
  5. Step 5: Solve for x
    x = 18,197,466,896.88/174,778.80
  6. Step 6: Final answer
    x = 104,117.13

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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.