Home / 111,445.09-167,161.76-36,555.38

Finding the Fourth Proportional to 111,445.09, 167,161.76 and 36,555.38

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Solution

The fourth proportional to 111,445.09, 167,161.76 and 36,555.38 is: 54,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.09 : 167,161.76 = 36,555.38 : x
  2. Step 2: Convert to fraction form
    111,445.09/167,161.76 = 36,555.38/x
  3. Step 3: Cross multiply
    111,445.09x = 167,161.76 × 36,555.38
  4. Step 4: Simplify right side
    111,445.09x = 6,110,660,639.68
  5. Step 5: Solve for x
    x = 6,110,660,639.68/111,445.09
  6. Step 6: Final answer
    x = 54,831.14

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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.