Home / 263,688.85-363,863.31-148,980.02

Finding the Fourth Proportional to 263,688.85, 363,863.31 and 148,980.02

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Solution

The fourth proportional to 263,688.85, 363,863.31 and 148,980.02 is: 205,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,688.85 : 363,863.31 = 148,980.02 : x
  2. Step 2: Convert to fraction form
    263,688.85/363,863.31 = 148,980.02/x
  3. Step 3: Cross multiply
    263,688.85x = 363,863.31 × 148,980.02
  4. Step 4: Simplify right side
    263,688.85x = 54,208,362,456.17
  5. Step 5: Solve for x
    x = 54,208,362,456.17/263,688.85
  6. Step 6: Final answer
    x = 205,577.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.