Home / 321,408.07-443,533.52-176,210.84

Finding the Fourth Proportional to 321,408.07, 443,533.52 and 176,210.84

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Solution

The fourth proportional to 321,408.07, 443,533.52 and 176,210.84 is: 243,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,408.07 : 443,533.52 = 176,210.84 : x
  2. Step 2: Convert to fraction form
    321,408.07/443,533.52 = 176,210.84/x
  3. Step 3: Cross multiply
    321,408.07x = 443,533.52 × 176,210.84
  4. Step 4: Simplify right side
    321,408.07x = 78,155,415,676.72
  5. Step 5: Solve for x
    x = 78,155,415,676.72/321,408.07
  6. Step 6: Final answer
    x = 243,165.69

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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.