Home / 286,756.76-430,187.07-118,183.25

Finding the Fourth Proportional to 286,756.76, 430,187.07 and 118,183.25

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Solution

The fourth proportional to 286,756.76, 430,187.07 and 118,183.25 is: 177,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,756.76 : 430,187.07 = 118,183.25 : x
  2. Step 2: Convert to fraction form
    286,756.76/430,187.07 = 118,183.25/x
  3. Step 3: Cross multiply
    286,756.76x = 430,187.07 × 118,183.25
  4. Step 4: Simplify right side
    286,756.76x = 50,840,903,889.64
  5. Step 5: Solve for x
    x = 50,840,903,889.64/286,756.76
  6. Step 6: Final answer
    x = 177,296.27

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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.