Home / 286,426.01-395,204.27-173,246.33

Finding the Fourth Proportional to 286,426.01, 395,204.27 and 173,246.33

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Solution

The fourth proportional to 286,426.01, 395,204.27 and 173,246.33 is: 239,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,426.01 : 395,204.27 = 173,246.33 : x
  2. Step 2: Convert to fraction form
    286,426.01/395,204.27 = 173,246.33/x
  3. Step 3: Cross multiply
    286,426.01x = 395,204.27 × 173,246.33
  4. Step 4: Simplify right side
    286,426.01x = 68,467,688,511.60
  5. Step 5: Solve for x
    x = 68,467,688,511.60/286,426.01
  6. Step 6: Final answer
    x = 239,041.45

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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.