Home / 212,093.32-318,090.78-93,700.12

Finding the Fourth Proportional to 212,093.32, 318,090.78 and 93,700.12

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Solution

The fourth proportional to 212,093.32, 318,090.78 and 93,700.12 is: 140,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,093.32 : 318,090.78 = 93,700.12 : x
  2. Step 2: Convert to fraction form
    212,093.32/318,090.78 = 93,700.12/x
  3. Step 3: Cross multiply
    212,093.32x = 318,090.78 × 93,700.12
  4. Step 4: Simplify right side
    212,093.32x = 29,805,144,256.89
  5. Step 5: Solve for x
    x = 29,805,144,256.89/212,093.32
  6. Step 6: Final answer
    x = 140,528.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.