Home / 213,192.39-294,197.79-117,697.05

Finding the Fourth Proportional to 213,192.39, 294,197.79 and 117,697.05

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Solution

The fourth proportional to 213,192.39, 294,197.79 and 117,697.05 is: 162,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192.39 : 294,197.79 = 117,697.05 : x
  2. Step 2: Convert to fraction form
    213,192.39/294,197.79 = 117,697.05/x
  3. Step 3: Cross multiply
    213,192.39x = 294,197.79 × 117,697.05
  4. Step 4: Simplify right side
    213,192.39x = 34,626,211,999.52
  5. Step 5: Solve for x
    x = 34,626,211,999.52/213,192.39
  6. Step 6: Final answer
    x = 162,417.67

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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.