Home / 212,515.75-293,271.74-117,022.22

Finding the Fourth Proportional to 212,515.75, 293,271.74 and 117,022.22

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Solution

The fourth proportional to 212,515.75, 293,271.74 and 117,022.22 is: 161,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,515.75 : 293,271.74 = 117,022.22 : x
  2. Step 2: Convert to fraction form
    212,515.75/293,271.74 = 117,022.22/x
  3. Step 3: Cross multiply
    212,515.75x = 293,271.74 × 117,022.22
  4. Step 4: Simplify right side
    212,515.75x = 34,319,310,078.06
  5. Step 5: Solve for x
    x = 34,319,310,078.06/212,515.75
  6. Step 6: Final answer
    x = 161,490.67

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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.