Home / 235,155.86-324,516.02-127,727.68

Finding the Fourth Proportional to 235,155.86, 324,516.02 and 127,727.68

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Solution

The fourth proportional to 235,155.86, 324,516.02 and 127,727.68 is: 176,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,155.86 : 324,516.02 = 127,727.68 : x
  2. Step 2: Convert to fraction form
    235,155.86/324,516.02 = 127,727.68/x
  3. Step 3: Cross multiply
    235,155.86x = 324,516.02 × 127,727.68
  4. Step 4: Simplify right side
    235,155.86x = 41,449,678,357.43
  5. Step 5: Solve for x
    x = 41,449,678,357.43/235,155.86
  6. Step 6: Final answer
    x = 176,264.71

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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.