Home / 455,943.02-683,928.37-156,419.27

Finding the Fourth Proportional to 455,943.02, 683,928.37 and 156,419.27

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Solution

The fourth proportional to 455,943.02, 683,928.37 and 156,419.27 is: 234,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,943.02 : 683,928.37 = 156,419.27 : x
  2. Step 2: Convert to fraction form
    455,943.02/683,928.37 = 156,419.27/x
  3. Step 3: Cross multiply
    455,943.02x = 683,928.37 × 156,419.27
  4. Step 4: Simplify right side
    455,943.02x = 106,979,572,165.95
  5. Step 5: Solve for x
    x = 106,979,572,165.95/455,943.02
  6. Step 6: Final answer
    x = 234,633.64

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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.