Home / 205,153.36-307,699.22-64,893.76

Finding the Fourth Proportional to 205,153.36, 307,699.22 and 64,893.76

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Solution

The fourth proportional to 205,153.36, 307,699.22 and 64,893.76 is: 97,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,153.36 : 307,699.22 = 64,893.76 : x
  2. Step 2: Convert to fraction form
    205,153.36/307,699.22 = 64,893.76/x
  3. Step 3: Cross multiply
    205,153.36x = 307,699.22 × 64,893.76
  4. Step 4: Simplify right side
    205,153.36x = 19,967,759,334.87
  5. Step 5: Solve for x
    x = 19,967,759,334.87/205,153.36
  6. Step 6: Final answer
    x = 97,330.89

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1.5x scale

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.