Home / 280,927.68-421,344.32-93,938.88

Finding the Fourth Proportional to 280,927.68, 421,344.32 and 93,938.88

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Solution

The fourth proportional to 280,927.68, 421,344.32 and 93,938.88 is: 140,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,927.68 : 421,344.32 = 93,938.88 : x
  2. Step 2: Convert to fraction form
    280,927.68/421,344.32 = 93,938.88/x
  3. Step 3: Cross multiply
    280,927.68x = 421,344.32 × 93,938.88
  4. Step 4: Simplify right side
    280,927.68x = 39,580,613,515.16
  5. Step 5: Solve for x
    x = 39,580,613,515.16/280,927.68
  6. Step 6: Final answer
    x = 140,892.54

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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.