Home / 254,950.12-382,468.74-105,108.49

Finding the Fourth Proportional to 254,950.12, 382,468.74 and 105,108.49

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Solution

The fourth proportional to 254,950.12, 382,468.74 and 105,108.49 is: 157,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,950.12 : 382,468.74 = 105,108.49 : x
  2. Step 2: Convert to fraction form
    254,950.12/382,468.74 = 105,108.49/x
  3. Step 3: Cross multiply
    254,950.12x = 382,468.74 × 105,108.49
  4. Step 4: Simplify right side
    254,950.12x = 40,200,713,484.46
  5. Step 5: Solve for x
    x = 40,200,713,484.46/254,950.12
  6. Step 6: Final answer
    x = 157,680.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.