Home / 202,106.48-278,903.26-111,470.84

Finding the Fourth Proportional to 202,106.48, 278,903.26 and 111,470.84

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Solution

The fourth proportional to 202,106.48, 278,903.26 and 111,470.84 is: 153,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106.48 : 278,903.26 = 111,470.84 : x
  2. Step 2: Convert to fraction form
    202,106.48/278,903.26 = 111,470.84/x
  3. Step 3: Cross multiply
    202,106.48x = 278,903.26 × 111,470.84
  4. Step 4: Simplify right side
    202,106.48x = 31,089,580,670.94
  5. Step 5: Solve for x
    x = 31,089,580,670.94/202,106.48
  6. Step 6: Final answer
    x = 153,827.73

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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.