Home / 457,914.32-686,904.26-120,951.60

Finding the Fourth Proportional to 457,914.32, 686,904.26 and 120,951.60

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Solution

The fourth proportional to 457,914.32, 686,904.26 and 120,951.60 is: 181,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,914.32 : 686,904.26 = 120,951.60 : x
  2. Step 2: Convert to fraction form
    457,914.32/686,904.26 = 120,951.60/x
  3. Step 3: Cross multiply
    457,914.32x = 686,904.26 × 120,951.60
  4. Step 4: Simplify right side
    457,914.32x = 83,082,169,293.82
  5. Step 5: Solve for x
    x = 83,082,169,293.82/457,914.32
  6. Step 6: Final answer
    x = 181,436.06

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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.