Home / 113,366.20-170,222.10-66,710.20

Finding the Fourth Proportional to 113,366.20, 170,222.10 and 66,710.20

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Solution

The fourth proportional to 113,366.20, 170,222.10 and 66,710.20 is: 100,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,366.20 : 170,222.10 = 66,710.20 : x
  2. Step 2: Convert to fraction form
    113,366.20/170,222.10 = 66,710.20/x
  3. Step 3: Cross multiply
    113,366.20x = 170,222.10 × 66,710.20
  4. Step 4: Simplify right side
    113,366.20x = 11,355,550,335.42
  5. Step 5: Solve for x
    x = 11,355,550,335.42/113,366.20
  6. Step 6: Final answer
    x = 100,166.98

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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.