Home / 111,206.72-153,466.80-60,906.08

Finding the Fourth Proportional to 111,206.72, 153,466.80 and 60,906.08

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Solution

The fourth proportional to 111,206.72, 153,466.80 and 60,906.08 is: 84,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,206.72 : 153,466.80 = 60,906.08 : x
  2. Step 2: Convert to fraction form
    111,206.72/153,466.80 = 60,906.08/x
  3. Step 3: Cross multiply
    111,206.72x = 153,466.80 × 60,906.08
  4. Step 4: Simplify right side
    111,206.72x = 9,347,061,198.14
  5. Step 5: Solve for x
    x = 9,347,061,198.14/111,206.72
  6. Step 6: Final answer
    x = 84,051.23

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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.