Home / 195,967.12-293,919.19-53,779.18

Finding the Fourth Proportional to 195,967.12, 293,919.19 and 53,779.18

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Solution

The fourth proportional to 195,967.12, 293,919.19 and 53,779.18 is: 80,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,967.12 : 293,919.19 = 53,779.18 : x
  2. Step 2: Convert to fraction form
    195,967.12/293,919.19 = 53,779.18/x
  3. Step 3: Cross multiply
    195,967.12x = 293,919.19 × 53,779.18
  4. Step 4: Simplify right side
    195,967.12x = 15,806,733,024.46
  5. Step 5: Solve for x
    x = 15,806,733,024.46/195,967.12
  6. Step 6: Final answer
    x = 80,660.13

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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.