Home / 301,339.24-416,002.98-212,312.68

Finding the Fourth Proportional to 301,339.24, 416,002.98 and 212,312.68

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Solution

The fourth proportional to 301,339.24, 416,002.98 and 212,312.68 is: 293,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,339.24 : 416,002.98 = 212,312.68 : x
  2. Step 2: Convert to fraction form
    301,339.24/416,002.98 = 212,312.68/x
  3. Step 3: Cross multiply
    301,339.24x = 416,002.98 × 212,312.68
  4. Step 4: Simplify right side
    301,339.24x = 88,322,707,571.79
  5. Step 5: Solve for x
    x = 88,322,707,571.79/301,339.24
  6. Step 6: Final answer
    x = 293,100.59

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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.