Home / 175,225.16-262,851.78-69,986.36

Finding the Fourth Proportional to 175,225.16, 262,851.78 and 69,986.36

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Solution

The fourth proportional to 175,225.16, 262,851.78 and 69,986.36 is: 104,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,225.16 : 262,851.78 = 69,986.36 : x
  2. Step 2: Convert to fraction form
    175,225.16/262,851.78 = 69,986.36/x
  3. Step 3: Cross multiply
    175,225.16x = 262,851.78 × 69,986.36
  4. Step 4: Simplify right side
    175,225.16x = 18,396,039,301.72
  5. Step 5: Solve for x
    x = 18,396,039,301.72/175,225.16
  6. Step 6: Final answer
    x = 104,985.15

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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.