Home / 351,438.23-527,152.69-85,201.16

Finding the Fourth Proportional to 351,438.23, 527,152.69 and 85,201.16

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Solution

The fourth proportional to 351,438.23, 527,152.69 and 85,201.16 is: 127,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,438.23 : 527,152.69 = 85,201.16 : x
  2. Step 2: Convert to fraction form
    351,438.23/527,152.69 = 85,201.16/x
  3. Step 3: Cross multiply
    351,438.23x = 527,152.69 × 85,201.16
  4. Step 4: Simplify right side
    351,438.23x = 44,914,018,155.86
  5. Step 5: Solve for x
    x = 44,914,018,155.86/351,438.23
  6. Step 6: Final answer
    x = 127,800.60

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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.