Home / 185,727.06-278,591.81-45,485.69

Finding the Fourth Proportional to 185,727.06, 278,591.81 and 45,485.69

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Solution

The fourth proportional to 185,727.06, 278,591.81 and 45,485.69 is: 68,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.06 : 278,591.81 = 45,485.69 : x
  2. Step 2: Convert to fraction form
    185,727.06/278,591.81 = 45,485.69/x
  3. Step 3: Cross multiply
    185,727.06x = 278,591.81 × 45,485.69
  4. Step 4: Simplify right side
    185,727.06x = 12,671,939,085.81
  5. Step 5: Solve for x
    x = 12,671,939,085.81/185,727.06
  6. Step 6: Final answer
    x = 68,228.83

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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.