Home / 306,918.44-423,568.72-186,064.82

Finding the Fourth Proportional to 306,918.44, 423,568.72 and 186,064.82

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Solution

The fourth proportional to 306,918.44, 423,568.72 and 186,064.82 is: 256,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,918.44 : 423,568.72 = 186,064.82 : x
  2. Step 2: Convert to fraction form
    306,918.44/423,568.72 = 186,064.82/x
  3. Step 3: Cross multiply
    306,918.44x = 423,568.72 × 186,064.82
  4. Step 4: Simplify right side
    306,918.44x = 78,811,236,714.11
  5. Step 5: Solve for x
    x = 78,811,236,714.11/306,918.44
  6. Step 6: Final answer
    x = 256,782.34

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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.