Home / 131,624.63-197,453.34-42,854.30

Finding the Fourth Proportional to 131,624.63, 197,453.34 and 42,854.30

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Solution

The fourth proportional to 131,624.63, 197,453.34 and 42,854.30 is: 64,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,624.63 : 197,453.34 = 42,854.30 : x
  2. Step 2: Convert to fraction form
    131,624.63/197,453.34 = 42,854.30/x
  3. Step 3: Cross multiply
    131,624.63x = 197,453.34 × 42,854.30
  4. Step 4: Simplify right side
    131,624.63x = 8,461,724,668.36
  5. Step 5: Solve for x
    x = 8,461,724,668.36/131,624.63
  6. Step 6: Final answer
    x = 64,286.79

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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.