Home / 210,139.06-290,016.09-117,014.17

Finding the Fourth Proportional to 210,139.06, 290,016.09 and 117,014.17

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Solution

The fourth proportional to 210,139.06, 290,016.09 and 117,014.17 is: 161,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,139.06 : 290,016.09 = 117,014.17 : x
  2. Step 2: Convert to fraction form
    210,139.06/290,016.09 = 117,014.17/x
  3. Step 3: Cross multiply
    210,139.06x = 290,016.09 × 117,014.17
  4. Step 4: Simplify right side
    210,139.06x = 33,935,992,058.00
  5. Step 5: Solve for x
    x = 33,935,992,058.00/210,139.06
  6. Step 6: Final answer
    x = 161,493.02

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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.