Home / 103,739.07-155,622.24-37,186.77

Finding the Fourth Proportional to 103,739.07, 155,622.24 and 37,186.77

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Solution

The fourth proportional to 103,739.07, 155,622.24 and 37,186.77 is: 55,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,739.07 : 155,622.24 = 37,186.77 : x
  2. Step 2: Convert to fraction form
    103,739.07/155,622.24 = 37,186.77/x
  3. Step 3: Cross multiply
    103,739.07x = 155,622.24 × 37,186.77
  4. Step 4: Simplify right side
    103,739.07x = 5,787,088,445.76
  5. Step 5: Solve for x
    x = 5,787,088,445.76/103,739.07
  6. Step 6: Final answer
    x = 55,785.04

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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.