Home / 162,770.64-244,313.78-78,590.18

Finding the Fourth Proportional to 162,770.64, 244,313.78 and 78,590.18

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Solution

The fourth proportional to 162,770.64, 244,313.78 and 78,590.18 is: 117,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,770.64 : 244,313.78 = 78,590.18 : x
  2. Step 2: Convert to fraction form
    162,770.64/244,313.78 = 78,590.18/x
  3. Step 3: Cross multiply
    162,770.64x = 244,313.78 × 78,590.18
  4. Step 4: Simplify right side
    162,770.64x = 19,200,662,332.16
  5. Step 5: Solve for x
    x = 19,200,662,332.16/162,770.64
  6. Step 6: Final answer
    x = 117,961.46

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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.