Home / 171,020.11-236,074.35-153,084.07

Finding the Fourth Proportional to 171,020.11, 236,074.35 and 153,084.07

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Solution

The fourth proportional to 171,020.11, 236,074.35 and 153,084.07 is: 211,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,020.11 : 236,074.35 = 153,084.07 : x
  2. Step 2: Convert to fraction form
    171,020.11/236,074.35 = 153,084.07/x
  3. Step 3: Cross multiply
    171,020.11x = 236,074.35 × 153,084.07
  4. Step 4: Simplify right side
    171,020.11x = 36,139,222,320.60
  5. Step 5: Solve for x
    x = 36,139,222,320.60/171,020.11
  6. Step 6: Final answer
    x = 211,315.63

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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.