Home / 236,427.40-354,641.10-189,771.40

Finding the Fourth Proportional to 236,427.40, 354,641.10 and 189,771.40

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Solution

The fourth proportional to 236,427.40, 354,641.10 and 189,771.40 is: 284,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,427.40 : 354,641.10 = 189,771.40 : x
  2. Step 2: Convert to fraction form
    236,427.40/354,641.10 = 189,771.40/x
  3. Step 3: Cross multiply
    236,427.40x = 354,641.10 × 189,771.40
  4. Step 4: Simplify right side
    236,427.40x = 67,300,738,044.54
  5. Step 5: Solve for x
    x = 67,300,738,044.54/236,427.40
  6. Step 6: Final answer
    x = 284,657.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.