Home / 111,199.36-153,433.56-63,451.48

Finding the Fourth Proportional to 111,199.36, 153,433.56 and 63,451.48

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Solution

The fourth proportional to 111,199.36, 153,433.56 and 63,451.48 is: 87,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,199.36 : 153,433.56 = 63,451.48 : x
  2. Step 2: Convert to fraction form
    111,199.36/153,433.56 = 63,451.48/x
  3. Step 3: Cross multiply
    111,199.36x = 153,433.56 × 63,451.48
  4. Step 4: Simplify right side
    111,199.36x = 9,735,586,463.67
  5. Step 5: Solve for x
    x = 9,735,586,463.67/111,199.36
  6. Step 6: Final answer
    x = 87,550.74

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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.