Home / 212,689.68-293,524.86-117,196.36

Finding the Fourth Proportional to 212,689.68, 293,524.86 and 117,196.36

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Solution

The fourth proportional to 212,689.68, 293,524.86 and 117,196.36 is: 161,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,689.68 : 293,524.86 = 117,196.36 : x
  2. Step 2: Convert to fraction form
    212,689.68/293,524.86 = 117,196.36/x
  3. Step 3: Cross multiply
    212,689.68x = 293,524.86 × 117,196.36
  4. Step 4: Simplify right side
    212,689.68x = 34,400,045,161.51
  5. Step 5: Solve for x
    x = 34,400,045,161.51/212,689.68
  6. Step 6: Final answer
    x = 161,738.20

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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.