Home / 281,015.06-387,799.94-151,952.64

Finding the Fourth Proportional to 281,015.06, 387,799.94 and 151,952.64

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Solution

The fourth proportional to 281,015.06, 387,799.94 and 151,952.64 is: 209,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,015.06 : 387,799.94 = 151,952.64 : x
  2. Step 2: Convert to fraction form
    281,015.06/387,799.94 = 151,952.64/x
  3. Step 3: Cross multiply
    281,015.06x = 387,799.94 × 151,952.64
  4. Step 4: Simplify right side
    281,015.06x = 58,927,224,674.84
  5. Step 5: Solve for x
    x = 58,927,224,674.84/281,015.06
  6. Step 6: Final answer
    x = 209,694.19

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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.