Home / 200,049.14-275,937.72-128,315.54

Finding the Fourth Proportional to 200,049.14, 275,937.72 and 128,315.54

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Solution

The fourth proportional to 200,049.14, 275,937.72 and 128,315.54 is: 176,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,049.14 : 275,937.72 = 128,315.54 : x
  2. Step 2: Convert to fraction form
    200,049.14/275,937.72 = 128,315.54/x
  3. Step 3: Cross multiply
    200,049.14x = 275,937.72 × 128,315.54
  4. Step 4: Simplify right side
    200,049.14x = 35,407,097,548.17
  5. Step 5: Solve for x
    x = 35,407,097,548.17/200,049.14
  6. Step 6: Final answer
    x = 176,992.00

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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.