Home / 201,701.36-278,345.58-111,055.43

Finding the Fourth Proportional to 201,701.36, 278,345.58 and 111,055.43

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Solution

The fourth proportional to 201,701.36, 278,345.58 and 111,055.43 is: 153,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,701.36 : 278,345.58 = 111,055.43 : x
  2. Step 2: Convert to fraction form
    201,701.36/278,345.58 = 111,055.43/x
  3. Step 3: Cross multiply
    201,701.36x = 278,345.58 × 111,055.43
  4. Step 4: Simplify right side
    201,701.36x = 30,911,788,075.50
  5. Step 5: Solve for x
    x = 30,911,788,075.50/201,701.36
  6. Step 6: Final answer
    x = 153,255.23

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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.