Home / 118,308.09-163,262.94-67,319.67

Finding the Fourth Proportional to 118,308.09, 163,262.94 and 67,319.67

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Solution

The fourth proportional to 118,308.09, 163,262.94 and 67,319.67 is: 92,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.09 : 163,262.94 = 67,319.67 : x
  2. Step 2: Convert to fraction form
    118,308.09/163,262.94 = 67,319.67/x
  3. Step 3: Cross multiply
    118,308.09x = 163,262.94 × 67,319.67
  4. Step 4: Simplify right side
    118,308.09x = 10,990,807,244.03
  5. Step 5: Solve for x
    x = 10,990,807,244.03/118,308.09
  6. Step 6: Final answer
    x = 92,899.88

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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.