Home / 212,540.86-293,319.72-117,047.55

Finding the Fourth Proportional to 212,540.86, 293,319.72 and 117,047.55

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Solution

The fourth proportional to 212,540.86, 293,319.72 and 117,047.55 is: 161,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,540.86 : 293,319.72 = 117,047.55 : x
  2. Step 2: Convert to fraction form
    212,540.86/293,319.72 = 117,047.55/x
  3. Step 3: Cross multiply
    212,540.86x = 293,319.72 × 117,047.55
  4. Step 4: Simplify right side
    212,540.86x = 34,332,354,592.69
  5. Step 5: Solve for x
    x = 34,332,354,592.69/212,540.86
  6. Step 6: Final answer
    x = 161,532.97

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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.