Home / 188,869.42-260,561.71-112,373.22

Finding the Fourth Proportional to 188,869.42, 260,561.71 and 112,373.22

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Solution

The fourth proportional to 188,869.42, 260,561.71 and 112,373.22 is: 155,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.42 : 260,561.71 = 112,373.22 : x
  2. Step 2: Convert to fraction form
    188,869.42/260,561.71 = 112,373.22/x
  3. Step 3: Cross multiply
    188,869.42x = 260,561.71 × 112,373.22
  4. Step 4: Simplify right side
    188,869.42x = 29,280,158,361.41
  5. Step 5: Solve for x
    x = 29,280,158,361.41/188,869.42
  6. Step 6: Final answer
    x = 155,028.58

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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.