Home / 113,816.20-170,749.80-34,938.40

Finding the Fourth Proportional to 113,816.20, 170,749.80 and 34,938.40

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Solution

The fourth proportional to 113,816.20, 170,749.80 and 34,938.40 is: 52,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.20 : 170,749.80 = 34,938.40 : x
  2. Step 2: Convert to fraction form
    113,816.20/170,749.80 = 34,938.40/x
  3. Step 3: Cross multiply
    113,816.20x = 170,749.80 × 34,938.40
  4. Step 4: Simplify right side
    113,816.20x = 5,965,724,812.32
  5. Step 5: Solve for x
    x = 5,965,724,812.32/113,816.20
  6. Step 6: Final answer
    x = 52,415.43

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1.5x scale

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.