Home / 341,201.12-511,867.28-130,822.65

Finding the Fourth Proportional to 341,201.12, 511,867.28 and 130,822.65

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Solution

The fourth proportional to 341,201.12, 511,867.28 and 130,822.65 is: 196,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,201.12 : 511,867.28 = 130,822.65 : x
  2. Step 2: Convert to fraction form
    341,201.12/511,867.28 = 130,822.65/x
  3. Step 3: Cross multiply
    341,201.12x = 511,867.28 × 130,822.65
  4. Step 4: Simplify right side
    341,201.12x = 66,963,834,017.89
  5. Step 5: Solve for x
    x = 66,963,834,017.89/341,201.12
  6. Step 6: Final answer
    x = 196,259.13

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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.