Home / 134,633.10-201,949.65-45,986.70

Finding the Fourth Proportional to 134,633.10, 201,949.65 and 45,986.70

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Solution

The fourth proportional to 134,633.10, 201,949.65 and 45,986.70 is: 68,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,633.10 : 201,949.65 = 45,986.70 : x
  2. Step 2: Convert to fraction form
    134,633.10/201,949.65 = 45,986.70/x
  3. Step 3: Cross multiply
    134,633.10x = 201,949.65 × 45,986.70
  4. Step 4: Simplify right side
    134,633.10x = 9,286,997,969.66
  5. Step 5: Solve for x
    x = 9,286,997,969.66/134,633.10
  6. Step 6: Final answer
    x = 68,980.05

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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.