Home / 210,460.14-290,431.35-114,964.38

Finding the Fourth Proportional to 210,460.14, 290,431.35 and 114,964.38

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Solution

The fourth proportional to 210,460.14, 290,431.35 and 114,964.38 is: 158,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,460.14 : 290,431.35 = 114,964.38 : x
  2. Step 2: Convert to fraction form
    210,460.14/290,431.35 = 114,964.38/x
  3. Step 3: Cross multiply
    210,460.14x = 290,431.35 × 114,964.38
  4. Step 4: Simplify right side
    210,460.14x = 33,389,260,085.31
  5. Step 5: Solve for x
    x = 33,389,260,085.31/210,460.14
  6. Step 6: Final answer
    x = 158,648.85

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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.