Home / 129,113.10-193,662.14-58,017.38

Finding the Fourth Proportional to 129,113.10, 193,662.14 and 58,017.38

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Solution

The fourth proportional to 129,113.10, 193,662.14 and 58,017.38 is: 87,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,113.10 : 193,662.14 = 58,017.38 : x
  2. Step 2: Convert to fraction form
    129,113.10/193,662.14 = 58,017.38/x
  3. Step 3: Cross multiply
    129,113.10x = 193,662.14 × 58,017.38
  4. Step 4: Simplify right side
    129,113.10x = 11,235,768,709.60
  5. Step 5: Solve for x
    x = 11,235,768,709.60/129,113.10
  6. Step 6: Final answer
    x = 87,022.69

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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.