Home / 279,185.46-385,246.17-164,457.33

Finding the Fourth Proportional to 279,185.46, 385,246.17 and 164,457.33

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Solution

The fourth proportional to 279,185.46, 385,246.17 and 164,457.33 is: 226,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,185.46 : 385,246.17 = 164,457.33 : x
  2. Step 2: Convert to fraction form
    279,185.46/385,246.17 = 164,457.33/x
  3. Step 3: Cross multiply
    279,185.46x = 385,246.17 × 164,457.33
  4. Step 4: Simplify right side
    279,185.46x = 63,356,556,510.93
  5. Step 5: Solve for x
    x = 63,356,556,510.93/279,185.46
  6. Step 6: Final answer
    x = 226,933.58

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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.