Home / 563,388.84-845,083.02-136,922.40

Finding the Fourth Proportional to 563,388.84, 845,083.02 and 136,922.40

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Solution

The fourth proportional to 563,388.84, 845,083.02 and 136,922.40 is: 205,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,388.84 : 845,083.02 = 136,922.40 : x
  2. Step 2: Convert to fraction form
    563,388.84/845,083.02 = 136,922.40/x
  3. Step 3: Cross multiply
    563,388.84x = 845,083.02 × 136,922.40
  4. Step 4: Simplify right side
    563,388.84x = 115,710,795,297.65
  5. Step 5: Solve for x
    x = 115,710,795,297.65/563,388.84
  6. Step 6: Final answer
    x = 205,383.54

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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.