Home / 212,915.58-293,836.95-117,422.46

Finding the Fourth Proportional to 212,915.58, 293,836.95 and 117,422.46

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Solution

The fourth proportional to 212,915.58, 293,836.95 and 117,422.46 is: 162,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,915.58 : 293,836.95 = 117,422.46 : x
  2. Step 2: Convert to fraction form
    212,915.58/293,836.95 = 117,422.46/x
  3. Step 3: Cross multiply
    212,915.58x = 293,836.95 × 117,422.46
  4. Step 4: Simplify right side
    212,915.58x = 34,503,057,507.90
  5. Step 5: Solve for x
    x = 34,503,057,507.90/212,915.58
  6. Step 6: Final answer
    x = 162,050.41

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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.