Home / 162,435.78-243,653.67-44,124.55

Finding the Fourth Proportional to 162,435.78, 243,653.67 and 44,124.55

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Solution

The fourth proportional to 162,435.78, 243,653.67 and 44,124.55 is: 66,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,435.78 : 243,653.67 = 44,124.55 : x
  2. Step 2: Convert to fraction form
    162,435.78/243,653.67 = 44,124.55/x
  3. Step 3: Cross multiply
    162,435.78x = 243,653.67 × 44,124.55
  4. Step 4: Simplify right side
    162,435.78x = 10,751,107,935.46
  5. Step 5: Solve for x
    x = 10,751,107,935.46/162,435.78
  6. Step 6: Final answer
    x = 66,186.82

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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.