Home / 133,923.78-200,886.48-45,178.16

Finding the Fourth Proportional to 133,923.78, 200,886.48 and 45,178.16

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Solution

The fourth proportional to 133,923.78, 200,886.48 and 45,178.16 is: 67,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,923.78 : 200,886.48 = 45,178.16 : x
  2. Step 2: Convert to fraction form
    133,923.78/200,886.48 = 45,178.16/x
  3. Step 3: Cross multiply
    133,923.78x = 200,886.48 × 45,178.16
  4. Step 4: Simplify right side
    133,923.78x = 9,075,680,530.84
  5. Step 5: Solve for x
    x = 9,075,680,530.84/133,923.78
  6. Step 6: Final answer
    x = 67,767.51

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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.