Home / 235,514.65-325,007.07-128,082.37

Finding the Fourth Proportional to 235,514.65, 325,007.07 and 128,082.37

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Solution

The fourth proportional to 235,514.65, 325,007.07 and 128,082.37 is: 176,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,514.65 : 325,007.07 = 128,082.37 : x
  2. Step 2: Convert to fraction form
    235,514.65/325,007.07 = 128,082.37/x
  3. Step 3: Cross multiply
    235,514.65x = 325,007.07 × 128,082.37
  4. Step 4: Simplify right side
    235,514.65x = 41,627,675,792.36
  5. Step 5: Solve for x
    x = 41,627,675,792.36/235,514.65
  6. Step 6: Final answer
    x = 176,751.96

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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.