Home / 104,631.70-144,135.44-75,866.84

Finding the Fourth Proportional to 104,631.70, 144,135.44 and 75,866.84

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Solution

The fourth proportional to 104,631.70, 144,135.44 and 75,866.84 is: 104,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.70 : 144,135.44 = 75,866.84 : x
  2. Step 2: Convert to fraction form
    104,631.70/144,135.44 = 75,866.84/x
  3. Step 3: Cross multiply
    104,631.70x = 144,135.44 × 75,866.84
  4. Step 4: Simplify right side
    104,631.70x = 10,935,100,364.81
  5. Step 5: Solve for x
    x = 10,935,100,364.81/104,631.70
  6. Step 6: Final answer
    x = 104,510.40

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1.5x scale

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.