Home / 279,966.58-386,358.06-152,644.30

Finding the Fourth Proportional to 279,966.58, 386,358.06 and 152,644.30

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Solution

The fourth proportional to 279,966.58, 386,358.06 and 152,644.30 is: 210,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,966.58 : 386,358.06 = 152,644.30 : x
  2. Step 2: Convert to fraction form
    279,966.58/386,358.06 = 152,644.30/x
  3. Step 3: Cross multiply
    279,966.58x = 386,358.06 × 152,644.30
  4. Step 4: Simplify right side
    279,966.58x = 58,975,355,618.06
  5. Step 5: Solve for x
    x = 58,975,355,618.06/279,966.58
  6. Step 6: Final answer
    x = 210,651.41

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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.