Home / 141,914.49-195,638.47-111,647.26

Finding the Fourth Proportional to 141,914.49, 195,638.47 and 111,647.26

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Solution

The fourth proportional to 141,914.49, 195,638.47 and 111,647.26 is: 153,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914.49 : 195,638.47 = 111,647.26 : x
  2. Step 2: Convert to fraction form
    141,914.49/195,638.47 = 111,647.26/x
  3. Step 3: Cross multiply
    141,914.49x = 195,638.47 × 111,647.26
  4. Step 4: Simplify right side
    141,914.49x = 21,842,499,126.09
  5. Step 5: Solve for x
    x = 21,842,499,126.09/141,914.49
  6. Step 6: Final answer
    x = 153,913.10

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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.