Home / 295,142.90-407,295.32-167,818.50

Finding the Fourth Proportional to 295,142.90, 407,295.32 and 167,818.50

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Solution

The fourth proportional to 295,142.90, 407,295.32 and 167,818.50 is: 231,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,142.90 : 407,295.32 = 167,818.50 : x
  2. Step 2: Convert to fraction form
    295,142.90/407,295.32 = 167,818.50/x
  3. Step 3: Cross multiply
    295,142.90x = 407,295.32 × 167,818.50
  4. Step 4: Simplify right side
    295,142.90x = 68,351,688,820.33
  5. Step 5: Solve for x
    x = 68,351,688,820.33/295,142.90
  6. Step 6: Final answer
    x = 231,588.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.