Home / 285,888.31-394,459.65-171,123.33

Finding the Fourth Proportional to 285,888.31, 394,459.65 and 171,123.33

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Solution

The fourth proportional to 285,888.31, 394,459.65 and 171,123.33 is: 236,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,888.31 : 394,459.65 = 171,123.33 : x
  2. Step 2: Convert to fraction form
    285,888.31/394,459.65 = 171,123.33/x
  3. Step 3: Cross multiply
    285,888.31x = 394,459.65 × 171,123.33
  4. Step 4: Simplify right side
    285,888.31x = 67,501,249,856.57
  5. Step 5: Solve for x
    x = 67,501,249,856.57/285,888.31
  6. Step 6: Final answer
    x = 236,110.56

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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.