Home / 117,618.50-162,313.53-64,626.50

Finding the Fourth Proportional to 117,618.50, 162,313.53 and 64,626.50

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Solution

The fourth proportional to 117,618.50, 162,313.53 and 64,626.50 is: 89,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,618.50 : 162,313.53 = 64,626.50 : x
  2. Step 2: Convert to fraction form
    117,618.50/162,313.53 = 64,626.50/x
  3. Step 3: Cross multiply
    117,618.50x = 162,313.53 × 64,626.50
  4. Step 4: Simplify right side
    117,618.50x = 10,489,755,346.55
  5. Step 5: Solve for x
    x = 10,489,755,346.55/117,618.50
  6. Step 6: Final answer
    x = 89,184.57

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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.