Home / 170,578.16-255,757.75-70,807.22

Finding the Fourth Proportional to 170,578.16, 255,757.75 and 70,807.22

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Solution

The fourth proportional to 170,578.16, 255,757.75 and 70,807.22 is: 106,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,578.16 : 255,757.75 = 70,807.22 : x
  2. Step 2: Convert to fraction form
    170,578.16/255,757.75 = 70,807.22/x
  3. Step 3: Cross multiply
    170,578.16x = 255,757.75 × 70,807.22
  4. Step 4: Simplify right side
    170,578.16x = 18,109,495,270.96
  5. Step 5: Solve for x
    x = 18,109,495,270.96/170,578.16
  6. Step 6: Final answer
    x = 106,165.38

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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.