Home / 254,420.08-383,458.86-219,305.22

Finding the Fourth Proportional to 254,420.08, 383,458.86 and 219,305.22

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Solution

The fourth proportional to 254,420.08, 383,458.86 and 219,305.22 is: 330,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,420.08 : 383,458.86 = 219,305.22 : x
  2. Step 2: Convert to fraction form
    254,420.08/383,458.86 = 219,305.22/x
  3. Step 3: Cross multiply
    254,420.08x = 383,458.86 × 219,305.22
  4. Step 4: Simplify right side
    254,420.08x = 84,094,527,392.88
  5. Step 5: Solve for x
    x = 84,094,527,392.88/254,420.08
  6. Step 6: Final answer
    x = 330,534.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.