Home / 109,415.16-164,140.23-46,235.88

Finding the Fourth Proportional to 109,415.16, 164,140.23 and 46,235.88

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Solution

The fourth proportional to 109,415.16, 164,140.23 and 46,235.88 is: 69,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,415.16 : 164,140.23 = 46,235.88 : x
  2. Step 2: Convert to fraction form
    109,415.16/164,140.23 = 46,235.88/x
  3. Step 3: Cross multiply
    109,415.16x = 164,140.23 × 46,235.88
  4. Step 4: Simplify right side
    109,415.16x = 7,589,167,977.45
  5. Step 5: Solve for x
    x = 7,589,167,977.45/109,415.16
  6. Step 6: Final answer
    x = 69,361.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.