Home / 319,213.03-440,518.87-174,018.89

Finding the Fourth Proportional to 319,213.03, 440,518.87 and 174,018.89

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Solution

The fourth proportional to 319,213.03, 440,518.87 and 174,018.89 is: 240,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,213.03 : 440,518.87 = 174,018.89 : x
  2. Step 2: Convert to fraction form
    319,213.03/440,518.87 = 174,018.89/x
  3. Step 3: Cross multiply
    319,213.03x = 440,518.87 × 174,018.89
  4. Step 4: Simplify right side
    319,213.03x = 76,658,604,781.45
  5. Step 5: Solve for x
    x = 76,658,604,781.45/319,213.03
  6. Step 6: Final answer
    x = 240,148.73

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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.