Home / 111,195.96-153,448.23-63,441.60

Finding the Fourth Proportional to 111,195.96, 153,448.23 and 63,441.60

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Solution

The fourth proportional to 111,195.96, 153,448.23 and 63,441.60 is: 87,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.96 : 153,448.23 = 63,441.60 : x
  2. Step 2: Convert to fraction form
    111,195.96/153,448.23 = 63,441.60/x
  3. Step 3: Cross multiply
    111,195.96x = 153,448.23 × 63,441.60
  4. Step 4: Simplify right side
    111,195.96x = 9,735,001,228.37
  5. Step 5: Solve for x
    x = 9,735,001,228.37/111,195.96
  6. Step 6: Final answer
    x = 87,548.16

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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.