Home / 124,178.84-186,138.59-57,564.03

Finding the Fourth Proportional to 124,178.84, 186,138.59 and 57,564.03

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Solution

The fourth proportional to 124,178.84, 186,138.59 and 57,564.03 is: 86,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.84 : 186,138.59 = 57,564.03 : x
  2. Step 2: Convert to fraction form
    124,178.84/186,138.59 = 57,564.03/x
  3. Step 3: Cross multiply
    124,178.84x = 186,138.59 × 57,564.03
  4. Step 4: Simplify right side
    124,178.84x = 10,714,887,091.10
  5. Step 5: Solve for x
    x = 10,714,887,091.10/124,178.84
  6. Step 6: Final answer
    x = 86,285.94

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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.