Home / 341,128.17-511,027.35-207,677.43

Finding the Fourth Proportional to 341,128.17, 511,027.35 and 207,677.43

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Solution

The fourth proportional to 341,128.17, 511,027.35 and 207,677.43 is: 311,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,128.17 : 511,027.35 = 207,677.43 : x
  2. Step 2: Convert to fraction form
    341,128.17/511,027.35 = 207,677.43/x
  3. Step 3: Cross multiply
    341,128.17x = 511,027.35 × 207,677.43
  4. Step 4: Simplify right side
    341,128.17x = 106,128,846,707.71
  5. Step 5: Solve for x
    x = 106,128,846,707.71/341,128.17
  6. Step 6: Final answer
    x = 311,111.35

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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.