Home / 147,429.24-203,291.56-99,599.54

Finding the Fourth Proportional to 147,429.24, 203,291.56 and 99,599.54

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Solution

The fourth proportional to 147,429.24, 203,291.56 and 99,599.54 is: 137,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,429.24 : 203,291.56 = 99,599.54 : x
  2. Step 2: Convert to fraction form
    147,429.24/203,291.56 = 99,599.54/x
  3. Step 3: Cross multiply
    147,429.24x = 203,291.56 × 99,599.54
  4. Step 4: Simplify right side
    147,429.24x = 20,247,745,861.88
  5. Step 5: Solve for x
    x = 20,247,745,861.88/147,429.24
  6. Step 6: Final answer
    x = 137,338.74

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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.