Home / 149,315.33-223,838.53-54,479.32

Finding the Fourth Proportional to 149,315.33, 223,838.53 and 54,479.32

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Solution

The fourth proportional to 149,315.33, 223,838.53 and 54,479.32 is: 81,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,315.33 : 223,838.53 = 54,479.32 : x
  2. Step 2: Convert to fraction form
    149,315.33/223,838.53 = 54,479.32/x
  3. Step 3: Cross multiply
    149,315.33x = 223,838.53 × 54,479.32
  4. Step 4: Simplify right side
    149,315.33x = 12,194,570,904.20
  5. Step 5: Solve for x
    x = 12,194,570,904.20/149,315.33
  6. Step 6: Final answer
    x = 81,669.92

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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.