Home / 110,361.12-152,295.48-64,429.56

Finding the Fourth Proportional to 110,361.12, 152,295.48 and 64,429.56

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Solution

The fourth proportional to 110,361.12, 152,295.48 and 64,429.56 is: 88,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,361.12 : 152,295.48 = 64,429.56 : x
  2. Step 2: Convert to fraction form
    110,361.12/152,295.48 = 64,429.56/x
  3. Step 3: Cross multiply
    110,361.12x = 152,295.48 × 64,429.56
  4. Step 4: Simplify right side
    110,361.12x = 9,812,330,766.39
  5. Step 5: Solve for x
    x = 9,812,330,766.39/110,361.12
  6. Step 6: Final answer
    x = 88,911.12

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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.