Home / 437,631.14-656,557.41-122,087.81

Finding the Fourth Proportional to 437,631.14, 656,557.41 and 122,087.81

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Solution

The fourth proportional to 437,631.14, 656,557.41 and 122,087.81 is: 183,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,631.14 : 656,557.41 = 122,087.81 : x
  2. Step 2: Convert to fraction form
    437,631.14/656,557.41 = 122,087.81/x
  3. Step 3: Cross multiply
    437,631.14x = 656,557.41 × 122,087.81
  4. Step 4: Simplify right side
    437,631.14x = 80,157,656,326.17
  5. Step 5: Solve for x
    x = 80,157,656,326.17/437,631.14
  6. Step 6: Final answer
    x = 183,162.60

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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.