Home / 272,016.90-407,626.02-136,895.16

Finding the Fourth Proportional to 272,016.90, 407,626.02 and 136,895.16

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Solution

The fourth proportional to 272,016.90, 407,626.02 and 136,895.16 is: 205,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,016.90 : 407,626.02 = 136,895.16 : x
  2. Step 2: Convert to fraction form
    272,016.90/407,626.02 = 136,895.16/x
  3. Step 3: Cross multiply
    272,016.90x = 407,626.02 × 136,895.16
  4. Step 4: Simplify right side
    272,016.90x = 55,802,029,228.06
  5. Step 5: Solve for x
    x = 55,802,029,228.06/272,016.90
  6. Step 6: Final answer
    x = 205,141.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.