Home / 451,185.06-676,928.37-147,593.07

Finding the Fourth Proportional to 451,185.06, 676,928.37 and 147,593.07

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Solution

The fourth proportional to 451,185.06, 676,928.37 and 147,593.07 is: 221,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,185.06 : 676,928.37 = 147,593.07 : x
  2. Step 2: Convert to fraction form
    451,185.06/676,928.37 = 147,593.07/x
  3. Step 3: Cross multiply
    451,185.06x = 676,928.37 × 147,593.07
  4. Step 4: Simplify right side
    451,185.06x = 99,909,936,298.40
  5. Step 5: Solve for x
    x = 99,909,936,298.40/451,185.06
  6. Step 6: Final answer
    x = 221,438.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.