Home / 154,740.19-213,579.44-94,344.13

Finding the Fourth Proportional to 154,740.19, 213,579.44 and 94,344.13

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Solution

The fourth proportional to 154,740.19, 213,579.44 and 94,344.13 is: 130,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,740.19 : 213,579.44 = 94,344.13 : x
  2. Step 2: Convert to fraction form
    154,740.19/213,579.44 = 94,344.13/x
  3. Step 3: Cross multiply
    154,740.19x = 213,579.44 × 94,344.13
  4. Step 4: Simplify right side
    154,740.19x = 20,149,965,682.88
  5. Step 5: Solve for x
    x = 20,149,965,682.88/154,740.19
  6. Step 6: Final answer
    x = 130,218.05

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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.