Home / 211,920.54-292,527.08-140,323.62

Finding the Fourth Proportional to 211,920.54, 292,527.08 and 140,323.62

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Solution

The fourth proportional to 211,920.54, 292,527.08 and 140,323.62 is: 193,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,920.54 : 292,527.08 = 140,323.62 : x
  2. Step 2: Convert to fraction form
    211,920.54/292,527.08 = 140,323.62/x
  3. Step 3: Cross multiply
    211,920.54x = 292,527.08 × 140,323.62
  4. Step 4: Simplify right side
    211,920.54x = 41,048,458,112.01
  5. Step 5: Solve for x
    x = 41,048,458,112.01/211,920.54
  6. Step 6: Final answer
    x = 193,697.40

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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.