Home / 133,439.36-200,127.58-49,153.74

Finding the Fourth Proportional to 133,439.36, 200,127.58 and 49,153.74

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Solution

The fourth proportional to 133,439.36, 200,127.58 and 49,153.74 is: 73,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.36 : 200,127.58 = 49,153.74 : x
  2. Step 2: Convert to fraction form
    133,439.36/200,127.58 = 49,153.74/x
  3. Step 3: Cross multiply
    133,439.36x = 200,127.58 × 49,153.74
  4. Step 4: Simplify right side
    133,439.36x = 9,837,019,034.15
  5. Step 5: Solve for x
    x = 9,837,019,034.15/133,439.36
  6. Step 6: Final answer
    x = 73,719.02

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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.