Home / 316,977.22-437,427.66-173,736.82

Finding the Fourth Proportional to 316,977.22, 437,427.66 and 173,736.82

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Solution

The fourth proportional to 316,977.22, 437,427.66 and 173,736.82 is: 239,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,977.22 : 437,427.66 = 173,736.82 : x
  2. Step 2: Convert to fraction form
    316,977.22/437,427.66 = 173,736.82/x
  3. Step 3: Cross multiply
    316,977.22x = 437,427.66 × 173,736.82
  4. Step 4: Simplify right side
    316,977.22x = 75,997,290,628.44
  5. Step 5: Solve for x
    x = 75,997,290,628.44/316,977.22
  6. Step 6: Final answer
    x = 239,756.32

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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.