Home / 236,581.63-354,928.38-76,657.30

Finding the Fourth Proportional to 236,581.63, 354,928.38 and 76,657.30

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Solution

The fourth proportional to 236,581.63, 354,928.38 and 76,657.30 is: 115,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,581.63 : 354,928.38 = 76,657.30 : x
  2. Step 2: Convert to fraction form
    236,581.63/354,928.38 = 76,657.30/x
  3. Step 3: Cross multiply
    236,581.63x = 354,928.38 × 76,657.30
  4. Step 4: Simplify right side
    236,581.63x = 27,207,849,146.25
  5. Step 5: Solve for x
    x = 27,207,849,146.25/236,581.63
  6. Step 6: Final answer
    x = 115,004.07

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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.