Home / 353,202.12-529,425.72-256,908.51

Finding the Fourth Proportional to 353,202.12, 529,425.72 and 256,908.51

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Solution

The fourth proportional to 353,202.12, 529,425.72 and 256,908.51 is: 385,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,202.12 : 529,425.72 = 256,908.51 : x
  2. Step 2: Convert to fraction form
    353,202.12/529,425.72 = 256,908.51/x
  3. Step 3: Cross multiply
    353,202.12x = 529,425.72 × 256,908.51
  4. Step 4: Simplify right side
    353,202.12x = 136,013,972,880.88
  5. Step 5: Solve for x
    x = 136,013,972,880.88/353,202.12
  6. Step 6: Final answer
    x = 385,088.21

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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.