Home / 351,475.36-527,208.08-85,238.24

Finding the Fourth Proportional to 351,475.36, 527,208.08 and 85,238.24

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Solution

The fourth proportional to 351,475.36, 527,208.08 and 85,238.24 is: 127,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.36 : 527,208.08 = 85,238.24 : x
  2. Step 2: Convert to fraction form
    351,475.36/527,208.08 = 85,238.24/x
  3. Step 3: Cross multiply
    351,475.36x = 527,208.08 × 85,238.24
  4. Step 4: Simplify right side
    351,475.36x = 44,938,288,852.98
  5. Step 5: Solve for x
    x = 44,938,288,852.98/351,475.36
  6. Step 6: Final answer
    x = 127,856.16

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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.