Home / 129,114.51-193,682.93-35,620.26

Finding the Fourth Proportional to 129,114.51, 193,682.93 and 35,620.26

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Solution

The fourth proportional to 129,114.51, 193,682.93 and 35,620.26 is: 53,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.51 : 193,682.93 = 35,620.26 : x
  2. Step 2: Convert to fraction form
    129,114.51/193,682.93 = 35,620.26/x
  3. Step 3: Cross multiply
    129,114.51x = 193,682.93 × 35,620.26
  4. Step 4: Simplify right side
    129,114.51x = 6,899,036,630.27
  5. Step 5: Solve for x
    x = 6,899,036,630.27/129,114.51
  6. Step 6: Final answer
    x = 53,433.47

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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.