Home / 119,975.34-165,567.10-68,289.91

Finding the Fourth Proportional to 119,975.34, 165,567.10 and 68,289.91

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Solution

The fourth proportional to 119,975.34, 165,567.10 and 68,289.91 is: 94,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.34 : 165,567.10 = 68,289.91 : x
  2. Step 2: Convert to fraction form
    119,975.34/165,567.10 = 68,289.91/x
  3. Step 3: Cross multiply
    119,975.34x = 165,567.10 × 68,289.91
  4. Step 4: Simplify right side
    119,975.34x = 11,306,562,357.96
  5. Step 5: Solve for x
    x = 11,306,562,357.96/119,975.34
  6. Step 6: Final answer
    x = 94,240.72

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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.