Home / 299,312.03-413,202.98-231,176.05

Finding the Fourth Proportional to 299,312.03, 413,202.98 and 231,176.05

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Solution

The fourth proportional to 299,312.03, 413,202.98 and 231,176.05 is: 319,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,312.03 : 413,202.98 = 231,176.05 : x
  2. Step 2: Convert to fraction form
    299,312.03/413,202.98 = 231,176.05/x
  3. Step 3: Cross multiply
    299,312.03x = 413,202.98 × 231,176.05
  4. Step 4: Simplify right side
    299,312.03x = 95,522,632,764.63
  5. Step 5: Solve for x
    x = 95,522,632,764.63/299,312.03
  6. Step 6: Final answer
    x = 319,140.64

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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.