Home / 210,181.40-290,057.33-114,693.34

Finding the Fourth Proportional to 210,181.40, 290,057.33 and 114,693.34

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Solution

The fourth proportional to 210,181.40, 290,057.33 and 114,693.34 is: 158,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,181.40 : 290,057.33 = 114,693.34 : x
  2. Step 2: Convert to fraction form
    210,181.40/290,057.33 = 114,693.34/x
  3. Step 3: Cross multiply
    210,181.40x = 290,057.33 × 114,693.34
  4. Step 4: Simplify right side
    210,181.40x = 33,267,643,969.18
  5. Step 5: Solve for x
    x = 33,267,643,969.18/210,181.40
  6. Step 6: Final answer
    x = 158,280.63

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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.