Home / 154,578.36-213,331.66-86,594.24

Finding the Fourth Proportional to 154,578.36, 213,331.66 and 86,594.24

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Solution

The fourth proportional to 154,578.36, 213,331.66 and 86,594.24 is: 119,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,578.36 : 213,331.66 = 86,594.24 : x
  2. Step 2: Convert to fraction form
    154,578.36/213,331.66 = 86,594.24/x
  3. Step 3: Cross multiply
    154,578.36x = 213,331.66 × 86,594.24
  4. Step 4: Simplify right side
    154,578.36x = 18,473,292,965.64
  5. Step 5: Solve for x
    x = 18,473,292,965.64/154,578.36
  6. Step 6: Final answer
    x = 119,507.63

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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.