Home / 437,631.64-656,558.16-122,088.30

Finding the Fourth Proportional to 437,631.64, 656,558.16 and 122,088.30

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Solution

The fourth proportional to 437,631.64, 656,558.16 and 122,088.30 is: 183,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,631.64 : 656,558.16 = 122,088.30 : x
  2. Step 2: Convert to fraction form
    437,631.64/656,558.16 = 122,088.30/x
  3. Step 3: Cross multiply
    437,631.64x = 656,558.16 × 122,088.30
  4. Step 4: Simplify right side
    437,631.64x = 80,158,069,605.53
  5. Step 5: Solve for x
    x = 80,158,069,605.53/437,631.64
  6. Step 6: Final answer
    x = 183,163.33

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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.