Home / 302,883.15-417,980.39-173,811.34

Finding the Fourth Proportional to 302,883.15, 417,980.39 and 173,811.34

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Solution

The fourth proportional to 302,883.15, 417,980.39 and 173,811.34 is: 239,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,883.15 : 417,980.39 = 173,811.34 : x
  2. Step 2: Convert to fraction form
    302,883.15/417,980.39 = 173,811.34/x
  3. Step 3: Cross multiply
    302,883.15x = 417,980.39 × 173,811.34
  4. Step 4: Simplify right side
    302,883.15x = 72,649,733,241.88
  5. Step 5: Solve for x
    x = 72,649,733,241.88/302,883.15
  6. Step 6: Final answer
    x = 239,860.60

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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.