Home / 319,178.61-440,459.91-173,983.14

Finding the Fourth Proportional to 319,178.61, 440,459.91 and 173,983.14

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Solution

The fourth proportional to 319,178.61, 440,459.91 and 173,983.14 is: 240,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,178.61 : 440,459.91 = 173,983.14 : x
  2. Step 2: Convert to fraction form
    319,178.61/440,459.91 = 173,983.14/x
  3. Step 3: Cross multiply
    319,178.61x = 440,459.91 × 173,983.14
  4. Step 4: Simplify right side
    319,178.61x = 76,632,598,185.92
  5. Step 5: Solve for x
    x = 76,632,598,185.92/319,178.61
  6. Step 6: Final answer
    x = 240,093.15

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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.