Home / 145,414.34-200,771.28-111,362.78

Finding the Fourth Proportional to 145,414.34, 200,771.28 and 111,362.78

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Solution

The fourth proportional to 145,414.34, 200,771.28 and 111,362.78 is: 153,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,414.34 : 200,771.28 = 111,362.78 : x
  2. Step 2: Convert to fraction form
    145,414.34/200,771.28 = 111,362.78/x
  3. Step 3: Cross multiply
    145,414.34x = 200,771.28 × 111,362.78
  4. Step 4: Simplify right side
    145,414.34x = 22,358,447,884.96
  5. Step 5: Solve for x
    x = 22,358,447,884.96/145,414.34
  6. Step 6: Final answer
    x = 153,756.83

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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.