Home / 154,053.52-230,929.88-75,164.56

Finding the Fourth Proportional to 154,053.52, 230,929.88 and 75,164.56

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Solution

The fourth proportional to 154,053.52, 230,929.88 and 75,164.56 is: 112,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,053.52 : 230,929.88 = 75,164.56 : x
  2. Step 2: Convert to fraction form
    154,053.52/230,929.88 = 75,164.56/x
  3. Step 3: Cross multiply
    154,053.52x = 230,929.88 × 75,164.56
  4. Step 4: Simplify right side
    154,053.52x = 17,357,742,821.05
  5. Step 5: Solve for x
    x = 17,357,742,821.05/154,053.52
  6. Step 6: Final answer
    x = 112,673.46

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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.