Home / 113,453.12-170,157.72-43,315.76

Finding the Fourth Proportional to 113,453.12, 170,157.72 and 43,315.76

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Solution

The fourth proportional to 113,453.12, 170,157.72 and 43,315.76 is: 64,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,453.12 : 170,157.72 = 43,315.76 : x
  2. Step 2: Convert to fraction form
    113,453.12/170,157.72 = 43,315.76/x
  3. Step 3: Cross multiply
    113,453.12x = 170,157.72 × 43,315.76
  4. Step 4: Simplify right side
    113,453.12x = 7,370,510,961.67
  5. Step 5: Solve for x
    x = 7,370,510,961.67/113,453.12
  6. Step 6: Final answer
    x = 64,965.26

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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.