Home / 279,140.44-385,089.45-186,027.07

Finding the Fourth Proportional to 279,140.44, 385,089.45 and 186,027.07

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Solution

The fourth proportional to 279,140.44, 385,089.45 and 186,027.07 is: 256,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,140.44 : 385,089.45 = 186,027.07 : x
  2. Step 2: Convert to fraction form
    279,140.44/385,089.45 = 186,027.07/x
  3. Step 3: Cross multiply
    279,140.44x = 385,089.45 × 186,027.07
  4. Step 4: Simplify right side
    279,140.44x = 71,637,062,071.41
  5. Step 5: Solve for x
    x = 71,637,062,071.41/279,140.44
  6. Step 6: Final answer
    x = 256,634.48

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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.