Home / 157,848.54-217,827.42-86,228.88

Finding the Fourth Proportional to 157,848.54, 217,827.42 and 86,228.88

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Solution

The fourth proportional to 157,848.54, 217,827.42 and 86,228.88 is: 118,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,848.54 : 217,827.42 = 86,228.88 : x
  2. Step 2: Convert to fraction form
    157,848.54/217,827.42 = 86,228.88/x
  3. Step 3: Cross multiply
    157,848.54x = 217,827.42 × 86,228.88
  4. Step 4: Simplify right side
    157,848.54x = 18,783,014,459.89
  5. Step 5: Solve for x
    x = 18,783,014,459.89/157,848.54
  6. Step 6: Final answer
    x = 118,993.91

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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.