Home / 210,485.25-290,476.06-114,998.13

Finding the Fourth Proportional to 210,485.25, 290,476.06 and 114,998.13

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Solution

The fourth proportional to 210,485.25, 290,476.06 and 114,998.13 is: 158,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,485.25 : 290,476.06 = 114,998.13 : x
  2. Step 2: Convert to fraction form
    210,485.25/290,476.06 = 114,998.13/x
  3. Step 3: Cross multiply
    210,485.25x = 290,476.06 × 114,998.13
  4. Step 4: Simplify right side
    210,485.25x = 33,404,203,422.27
  5. Step 5: Solve for x
    x = 33,404,203,422.27/210,485.25
  6. Step 6: Final answer
    x = 158,700.92

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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.