Home / 208,991.16-288,496.06-141,100.08

Finding the Fourth Proportional to 208,991.16, 288,496.06 and 141,100.08

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Solution

The fourth proportional to 208,991.16, 288,496.06 and 141,100.08 is: 194,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,991.16 : 288,496.06 = 141,100.08 : x
  2. Step 2: Convert to fraction form
    208,991.16/288,496.06 = 141,100.08/x
  3. Step 3: Cross multiply
    208,991.16x = 288,496.06 × 141,100.08
  4. Step 4: Simplify right side
    208,991.16x = 40,706,817,145.68
  5. Step 5: Solve for x
    x = 40,706,817,145.68/208,991.16
  6. Step 6: Final answer
    x = 194,777.70

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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.