Home / 111,452.44-153,804.35-63,706.81

Finding the Fourth Proportional to 111,452.44, 153,804.35 and 63,706.81

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Solution

The fourth proportional to 111,452.44, 153,804.35 and 63,706.81 is: 87,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,452.44 : 153,804.35 = 63,706.81 : x
  2. Step 2: Convert to fraction form
    111,452.44/153,804.35 = 63,706.81/x
  3. Step 3: Cross multiply
    111,452.44x = 153,804.35 × 63,706.81
  4. Step 4: Simplify right side
    111,452.44x = 9,798,384,615.25
  5. Step 5: Solve for x
    x = 9,798,384,615.25/111,452.44
  6. Step 6: Final answer
    x = 87,915.39

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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.