Home / 289,329.66-399,291.39-162,004.14

Finding the Fourth Proportional to 289,329.66, 399,291.39 and 162,004.14

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Solution

The fourth proportional to 289,329.66, 399,291.39 and 162,004.14 is: 223,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,329.66 : 399,291.39 = 162,004.14 : x
  2. Step 2: Convert to fraction form
    289,329.66/399,291.39 = 162,004.14/x
  3. Step 3: Cross multiply
    289,329.66x = 399,291.39 × 162,004.14
  4. Step 4: Simplify right side
    289,329.66x = 64,686,858,246.35
  5. Step 5: Solve for x
    x = 64,686,858,246.35/289,329.66
  6. Step 6: Final answer
    x = 223,574.93

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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.