Home / 351,644.25-526,889.71-149,078.50

Finding the Fourth Proportional to 351,644.25, 526,889.71 and 149,078.50

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Solution

The fourth proportional to 351,644.25, 526,889.71 and 149,078.50 is: 223,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,644.25 : 526,889.71 = 149,078.50 : x
  2. Step 2: Convert to fraction form
    351,644.25/526,889.71 = 149,078.50/x
  3. Step 3: Cross multiply
    351,644.25x = 526,889.71 × 149,078.50
  4. Step 4: Simplify right side
    351,644.25x = 78,547,929,465.11
  5. Step 5: Solve for x
    x = 78,547,929,465.11/351,644.25
  6. Step 6: Final answer
    x = 223,373.28

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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.