Home / 236,363.11-354,547.75-78,591.56

Finding the Fourth Proportional to 236,363.11, 354,547.75 and 78,591.56

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Solution

The fourth proportional to 236,363.11, 354,547.75 and 78,591.56 is: 117,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,363.11 : 354,547.75 = 78,591.56 : x
  2. Step 2: Convert to fraction form
    236,363.11/354,547.75 = 78,591.56/x
  3. Step 3: Cross multiply
    236,363.11x = 354,547.75 × 78,591.56
  4. Step 4: Simplify right side
    236,363.11x = 27,864,460,374.03
  5. Step 5: Solve for x
    x = 27,864,460,374.03/236,363.11
  6. Step 6: Final answer
    x = 117,888.37

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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.