Home / 170,220.96-234,798.48-122,398.56

Finding the Fourth Proportional to 170,220.96, 234,798.48 and 122,398.56

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Solution

The fourth proportional to 170,220.96, 234,798.48 and 122,398.56 is: 168,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,220.96 : 234,798.48 = 122,398.56 : x
  2. Step 2: Convert to fraction form
    170,220.96/234,798.48 = 122,398.56/x
  3. Step 3: Cross multiply
    170,220.96x = 234,798.48 × 122,398.56
  4. Step 4: Simplify right side
    170,220.96x = 28,738,995,842.19
  5. Step 5: Solve for x
    x = 28,738,995,842.19/170,220.96
  6. Step 6: Final answer
    x = 168,833.47

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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.