Home / 157,021.68-235,443.30-107,162.19

Finding the Fourth Proportional to 157,021.68, 235,443.30 and 107,162.19

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Solution

The fourth proportional to 157,021.68, 235,443.30 and 107,162.19 is: 160,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,021.68 : 235,443.30 = 107,162.19 : x
  2. Step 2: Convert to fraction form
    157,021.68/235,443.30 = 107,162.19/x
  3. Step 3: Cross multiply
    157,021.68x = 235,443.30 × 107,162.19
  4. Step 4: Simplify right side
    157,021.68x = 25,230,619,648.83
  5. Step 5: Solve for x
    x = 25,230,619,648.83/157,021.68
  6. Step 6: Final answer
    x = 160,682.40

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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.