Home / 459,083.03-688,676.93-122,137.40

Finding the Fourth Proportional to 459,083.03, 688,676.93 and 122,137.40

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Solution

The fourth proportional to 459,083.03, 688,676.93 and 122,137.40 is: 183,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,083.03 : 688,676.93 = 122,137.40 : x
  2. Step 2: Convert to fraction form
    459,083.03/688,676.93 = 122,137.40/x
  3. Step 3: Cross multiply
    459,083.03x = 688,676.93 × 122,137.40
  4. Step 4: Simplify right side
    459,083.03x = 84,113,205,616.11
  5. Step 5: Solve for x
    x = 84,113,205,616.11/459,083.03
  6. Step 6: Final answer
    x = 183,220.03

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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.