Home / 174,918.40-262,507.20-69,812.80

Finding the Fourth Proportional to 174,918.40, 262,507.20 and 69,812.80

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Solution

The fourth proportional to 174,918.40, 262,507.20 and 69,812.80 is: 104,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,918.40 : 262,507.20 = 69,812.80 : x
  2. Step 2: Convert to fraction form
    174,918.40/262,507.20 = 69,812.80/x
  3. Step 3: Cross multiply
    174,918.40x = 262,507.20 × 69,812.80
  4. Step 4: Simplify right side
    174,918.40x = 18,326,362,652.16
  5. Step 5: Solve for x
    x = 18,326,362,652.16/174,918.40
  6. Step 6: Final answer
    x = 104,770.93

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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.