Home / 340,022.39-469,224.36-187,051.64

Finding the Fourth Proportional to 340,022.39, 469,224.36 and 187,051.64

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Solution

The fourth proportional to 340,022.39, 469,224.36 and 187,051.64 is: 258,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,022.39 : 469,224.36 = 187,051.64 : x
  2. Step 2: Convert to fraction form
    340,022.39/469,224.36 = 187,051.64/x
  3. Step 3: Cross multiply
    340,022.39x = 469,224.36 × 187,051.64
  4. Step 4: Simplify right side
    340,022.39x = 87,769,183,719.83
  5. Step 5: Solve for x
    x = 87,769,183,719.83/340,022.39
  6. Step 6: Final answer
    x = 258,127.66

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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.