Home / 301,316.16-415,816.26-172,257.42

Finding the Fourth Proportional to 301,316.16, 415,816.26 and 172,257.42

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Solution

The fourth proportional to 301,316.16, 415,816.26 and 172,257.42 is: 237,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,316.16 : 415,816.26 = 172,257.42 : x
  2. Step 2: Convert to fraction form
    301,316.16/415,816.26 = 172,257.42/x
  3. Step 3: Cross multiply
    301,316.16x = 415,816.26 × 172,257.42
  4. Step 4: Simplify right side
    301,316.16x = 71,627,436,141.65
  5. Step 5: Solve for x
    x = 71,627,436,141.65/301,316.16
  6. Step 6: Final answer
    x = 237,715.22

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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.