Home / 110,852.12-166,302.80-31,960.20

Finding the Fourth Proportional to 110,852.12, 166,302.80 and 31,960.20

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Solution

The fourth proportional to 110,852.12, 166,302.80 and 31,960.20 is: 47,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,852.12 : 166,302.80 = 31,960.20 : x
  2. Step 2: Convert to fraction form
    110,852.12/166,302.80 = 31,960.20/x
  3. Step 3: Cross multiply
    110,852.12x = 166,302.80 × 31,960.20
  4. Step 4: Simplify right side
    110,852.12x = 5,315,070,748.56
  5. Step 5: Solve for x
    x = 5,315,070,748.56/110,852.12
  6. Step 6: Final answer
    x = 47,947.40

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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.