Home / 279,882.04-386,225.76-152,554.84

Finding the Fourth Proportional to 279,882.04, 386,225.76 and 152,554.84

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Solution

The fourth proportional to 279,882.04, 386,225.76 and 152,554.84 is: 210,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,882.04 : 386,225.76 = 152,554.84 : x
  2. Step 2: Convert to fraction form
    279,882.04/386,225.76 = 152,554.84/x
  3. Step 3: Cross multiply
    279,882.04x = 386,225.76 × 152,554.84
  4. Step 4: Simplify right side
    279,882.04x = 58,920,609,020.68
  5. Step 5: Solve for x
    x = 58,920,609,020.68/279,882.04
  6. Step 6: Final answer
    x = 210,519.44

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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.