Home / 341,268.10-511,897.35-154,279.30

Finding the Fourth Proportional to 341,268.10, 511,897.35 and 154,279.30

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Solution

The fourth proportional to 341,268.10, 511,897.35 and 154,279.30 is: 231,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,268.10 : 511,897.35 = 154,279.30 : x
  2. Step 2: Convert to fraction form
    341,268.10/511,897.35 = 154,279.30/x
  3. Step 3: Cross multiply
    341,268.10x = 511,897.35 × 154,279.30
  4. Step 4: Simplify right side
    341,268.10x = 78,975,164,829.86
  5. Step 5: Solve for x
    x = 78,975,164,829.86/341,268.10
  6. Step 6: Final answer
    x = 231,416.78

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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.