Home / 292,358.18-438,500.31-92,680.52

Finding the Fourth Proportional to 292,358.18, 438,500.31 and 92,680.52

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Solution

The fourth proportional to 292,358.18, 438,500.31 and 92,680.52 is: 139,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,358.18 : 438,500.31 = 92,680.52 : x
  2. Step 2: Convert to fraction form
    292,358.18/438,500.31 = 92,680.52/x
  3. Step 3: Cross multiply
    292,358.18x = 438,500.31 × 92,680.52
  4. Step 4: Simplify right side
    292,358.18x = 40,640,435,855.28
  5. Step 5: Solve for x
    x = 40,640,435,855.28/292,358.18
  6. Step 6: Final answer
    x = 139,009.06

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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.