Home / 111,653.34-154,084.48-60,665.56

Finding the Fourth Proportional to 111,653.34, 154,084.48 and 60,665.56

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Solution

The fourth proportional to 111,653.34, 154,084.48 and 60,665.56 is: 83,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,653.34 : 154,084.48 = 60,665.56 : x
  2. Step 2: Convert to fraction form
    111,653.34/154,084.48 = 60,665.56/x
  3. Step 3: Cross multiply
    111,653.34x = 154,084.48 × 60,665.56
  4. Step 4: Simplify right side
    111,653.34x = 9,347,621,266.51
  5. Step 5: Solve for x
    x = 9,347,621,266.51/111,653.34
  6. Step 6: Final answer
    x = 83,720.03

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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.