Home / 162,812.67-243,798.40-112,367.35

Finding the Fourth Proportional to 162,812.67, 243,798.40 and 112,367.35

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Solution

The fourth proportional to 162,812.67, 243,798.40 and 112,367.35 is: 168,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,812.67 : 243,798.40 = 112,367.35 : x
  2. Step 2: Convert to fraction form
    162,812.67/243,798.40 = 112,367.35/x
  3. Step 3: Cross multiply
    162,812.67x = 243,798.40 × 112,367.35
  4. Step 4: Simplify right side
    162,812.67x = 27,394,980,587.45
  5. Step 5: Solve for x
    x = 27,394,980,587.45/162,812.67
  6. Step 6: Final answer
    x = 168,260.75

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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.