Home / 279,005.14-385,037.06-171,554.42

Finding the Fourth Proportional to 279,005.14, 385,037.06 and 171,554.42

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Solution

The fourth proportional to 279,005.14, 385,037.06 and 171,554.42 is: 236,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,005.14 : 385,037.06 = 171,554.42 : x
  2. Step 2: Convert to fraction form
    279,005.14/385,037.06 = 171,554.42/x
  3. Step 3: Cross multiply
    279,005.14x = 385,037.06 × 171,554.42
  4. Step 4: Simplify right side
    279,005.14x = 66,054,808,732.45
  5. Step 5: Solve for x
    x = 66,054,808,732.45/279,005.14
  6. Step 6: Final answer
    x = 236,751.22

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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.