Home / 235,736.01-325,323.69-128,309.94

Finding the Fourth Proportional to 235,736.01, 325,323.69 and 128,309.94

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Solution

The fourth proportional to 235,736.01, 325,323.69 and 128,309.94 is: 177,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,736.01 : 325,323.69 = 128,309.94 : x
  2. Step 2: Convert to fraction form
    235,736.01/325,323.69 = 128,309.94/x
  3. Step 3: Cross multiply
    235,736.01x = 325,323.69 × 128,309.94
  4. Step 4: Simplify right side
    235,736.01x = 41,742,263,144.48
  5. Step 5: Solve for x
    x = 41,742,263,144.48/235,736.01
  6. Step 6: Final answer
    x = 177,072.07

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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.