Home / 175,779.18-263,665.98-42,660.54

Finding the Fourth Proportional to 175,779.18, 263,665.98 and 42,660.54

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Solution

The fourth proportional to 175,779.18, 263,665.98 and 42,660.54 is: 63,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,779.18 : 263,665.98 = 42,660.54 : x
  2. Step 2: Convert to fraction form
    175,779.18/263,665.98 = 42,660.54/x
  3. Step 3: Cross multiply
    175,779.18x = 263,665.98 × 42,660.54
  4. Step 4: Simplify right side
    175,779.18x = 11,248,133,086.43
  5. Step 5: Solve for x
    x = 11,248,133,086.43/175,779.18
  6. Step 6: Final answer
    x = 63,990.13

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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.