Home / 247,779.30-341,906.40-145,782.36

Finding the Fourth Proportional to 247,779.30, 341,906.40 and 145,782.36

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Solution

The fourth proportional to 247,779.30, 341,906.40 and 145,782.36 is: 201,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,779.30 : 341,906.40 = 145,782.36 : x
  2. Step 2: Convert to fraction form
    247,779.30/341,906.40 = 145,782.36/x
  3. Step 3: Cross multiply
    247,779.30x = 341,906.40 × 145,782.36
  4. Step 4: Simplify right side
    247,779.30x = 49,843,921,891.10
  5. Step 5: Solve for x
    x = 49,843,921,891.10/247,779.30
  6. Step 6: Final answer
    x = 201,162.57

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1.5x scale

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.