Home / 355,707.21-533,521.52-89,467.83

Finding the Fourth Proportional to 355,707.21, 533,521.52 and 89,467.83

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Solution

The fourth proportional to 355,707.21, 533,521.52 and 89,467.83 is: 134,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,707.21 : 533,521.52 = 89,467.83 : x
  2. Step 2: Convert to fraction form
    355,707.21/533,521.52 = 89,467.83/x
  3. Step 3: Cross multiply
    355,707.21x = 533,521.52 × 89,467.83
  4. Step 4: Simplify right side
    355,707.21x = 47,733,012,540.87
  5. Step 5: Solve for x
    x = 47,733,012,540.87/355,707.21
  6. Step 6: Final answer
    x = 134,191.86

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1.5x scale

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.