Home / 210,111.12-289,977.48-116,986.32

Finding the Fourth Proportional to 210,111.12, 289,977.48 and 116,986.32

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Solution

The fourth proportional to 210,111.12, 289,977.48 and 116,986.32 is: 161,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,111.12 : 289,977.48 = 116,986.32 : x
  2. Step 2: Convert to fraction form
    210,111.12/289,977.48 = 116,986.32/x
  3. Step 3: Cross multiply
    210,111.12x = 289,977.48 × 116,986.32
  4. Step 4: Simplify right side
    210,111.12x = 33,923,398,268.07
  5. Step 5: Solve for x
    x = 33,923,398,268.07/210,111.12
  6. Step 6: Final answer
    x = 161,454.56

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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.