Home / 212,540.69-293,308.07-117,047.76

Finding the Fourth Proportional to 212,540.69, 293,308.07 and 117,047.76

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Solution

The fourth proportional to 212,540.69, 293,308.07 and 117,047.76 is: 161,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,540.69 : 293,308.07 = 117,047.76 : x
  2. Step 2: Convert to fraction form
    212,540.69/293,308.07 = 117,047.76/x
  3. Step 3: Cross multiply
    212,540.69x = 293,308.07 × 117,047.76
  4. Step 4: Simplify right side
    212,540.69x = 34,331,051,998.18
  5. Step 5: Solve for x
    x = 34,331,051,998.18/212,540.69
  6. Step 6: Final answer
    x = 161,526.97

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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.