Home / 210,389.63-290,338.76-114,896.33

Finding the Fourth Proportional to 210,389.63, 290,338.76 and 114,896.33

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Solution

The fourth proportional to 210,389.63, 290,338.76 and 114,896.33 is: 158,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,389.63 : 290,338.76 = 114,896.33 : x
  2. Step 2: Convert to fraction form
    210,389.63/290,338.76 = 114,896.33/x
  3. Step 3: Cross multiply
    210,389.63x = 290,338.76 × 114,896.33
  4. Step 4: Simplify right side
    210,389.63x = 33,358,855,954.58
  5. Step 5: Solve for x
    x = 33,358,855,954.58/210,389.63
  6. Step 6: Final answer
    x = 158,557.51

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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.