Home / 270,927.10-406,410.12-93,431.56

Finding the Fourth Proportional to 270,927.10, 406,410.12 and 93,431.56

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Solution

The fourth proportional to 270,927.10, 406,410.12 and 93,431.56 is: 140,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,927.10 : 406,410.12 = 93,431.56 : x
  2. Step 2: Convert to fraction form
    270,927.10/406,410.12 = 93,431.56/x
  3. Step 3: Cross multiply
    270,927.10x = 406,410.12 × 93,431.56
  4. Step 4: Simplify right side
    270,927.10x = 37,971,531,511.39
  5. Step 5: Solve for x
    x = 37,971,531,511.39/270,927.10
  6. Step 6: Final answer
    x = 140,154.05

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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.