Home / 205,038.30-307,557.45-116,464.80

Finding the Fourth Proportional to 205,038.30, 307,557.45 and 116,464.80

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Solution

The fourth proportional to 205,038.30, 307,557.45 and 116,464.80 is: 174,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,038.30 : 307,557.45 = 116,464.80 : x
  2. Step 2: Convert to fraction form
    205,038.30/307,557.45 = 116,464.80/x
  3. Step 3: Cross multiply
    205,038.30x = 307,557.45 × 116,464.80
  4. Step 4: Simplify right side
    205,038.30x = 35,819,616,902.76
  5. Step 5: Solve for x
    x = 35,819,616,902.76/205,038.30
  6. Step 6: Final answer
    x = 174,697.20

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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.