Home / 291,382.14-437,132.54-122,903.10

Finding the Fourth Proportional to 291,382.14, 437,132.54 and 122,903.10

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Solution

The fourth proportional to 291,382.14, 437,132.54 and 122,903.10 is: 184,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,382.14 : 437,132.54 = 122,903.10 : x
  2. Step 2: Convert to fraction form
    291,382.14/437,132.54 = 122,903.10/x
  3. Step 3: Cross multiply
    291,382.14x = 437,132.54 × 122,903.10
  4. Step 4: Simplify right side
    291,382.14x = 53,724,942,490.53
  5. Step 5: Solve for x
    x = 53,724,942,490.53/291,382.14
  6. Step 6: Final answer
    x = 184,379.67

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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.