Home / 140,770.26-194,263.01-77,110.35

Finding the Fourth Proportional to 140,770.26, 194,263.01 and 77,110.35

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Solution

The fourth proportional to 140,770.26, 194,263.01 and 77,110.35 is: 106,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,770.26 : 194,263.01 = 77,110.35 : x
  2. Step 2: Convert to fraction form
    140,770.26/194,263.01 = 77,110.35/x
  3. Step 3: Cross multiply
    140,770.26x = 194,263.01 × 77,110.35
  4. Step 4: Simplify right side
    140,770.26x = 14,979,688,307.60
  5. Step 5: Solve for x
    x = 14,979,688,307.60/140,770.26
  6. Step 6: Final answer
    x = 106,412.31

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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.