Home / 347,545.24-520,964.70-136,893.40

Finding the Fourth Proportional to 347,545.24, 520,964.70 and 136,893.40

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Solution

The fourth proportional to 347,545.24, 520,964.70 and 136,893.40 is: 205,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,545.24 : 520,964.70 = 136,893.40 : x
  2. Step 2: Convert to fraction form
    347,545.24/520,964.70 = 136,893.40/x
  3. Step 3: Cross multiply
    347,545.24x = 520,964.70 × 136,893.40
  4. Step 4: Simplify right side
    347,545.24x = 71,316,629,062.98
  5. Step 5: Solve for x
    x = 71,316,629,062.98/347,545.24
  6. Step 6: Final answer
    x = 205,201.00

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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.