Home / 157,389.68-236,118.26-50,779.71

Finding the Fourth Proportional to 157,389.68, 236,118.26 and 50,779.71

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Solution

The fourth proportional to 157,389.68, 236,118.26 and 50,779.71 is: 76,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,389.68 : 236,118.26 = 50,779.71 : x
  2. Step 2: Convert to fraction form
    157,389.68/236,118.26 = 50,779.71/x
  3. Step 3: Cross multiply
    157,389.68x = 236,118.26 × 50,779.71
  4. Step 4: Simplify right side
    157,389.68x = 11,990,016,609.82
  5. Step 5: Solve for x
    x = 11,990,016,609.82/157,389.68
  6. Step 6: Final answer
    x = 76,180.45

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1.5x scale

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.