Home / 254,950.16-382,468.81-105,108.54

Finding the Fourth Proportional to 254,950.16, 382,468.81 and 105,108.54

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Solution

The fourth proportional to 254,950.16, 382,468.81 and 105,108.54 is: 157,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,950.16 : 382,468.81 = 105,108.54 : x
  2. Step 2: Convert to fraction form
    254,950.16/382,468.81 = 105,108.54/x
  3. Step 3: Cross multiply
    254,950.16x = 382,468.81 × 105,108.54
  4. Step 4: Simplify right side
    254,950.16x = 40,200,738,346.02
  5. Step 5: Solve for x
    x = 40,200,738,346.02/254,950.16
  6. Step 6: Final answer
    x = 157,680.77

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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.