Home / 179,787.93-248,102.78-99,214.40

Finding the Fourth Proportional to 179,787.93, 248,102.78 and 99,214.40

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Solution

The fourth proportional to 179,787.93, 248,102.78 and 99,214.40 is: 136,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,787.93 : 248,102.78 = 99,214.40 : x
  2. Step 2: Convert to fraction form
    179,787.93/248,102.78 = 99,214.40/x
  3. Step 3: Cross multiply
    179,787.93x = 248,102.78 × 99,214.40
  4. Step 4: Simplify right side
    179,787.93x = 24,615,366,719.45
  5. Step 5: Solve for x
    x = 24,615,366,719.45/179,787.93
  6. Step 6: Final answer
    x = 136,913.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.