Home / 180,430.12-248,997.54-116,878.42

Finding the Fourth Proportional to 180,430.12, 248,997.54 and 116,878.42

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Solution

The fourth proportional to 180,430.12, 248,997.54 and 116,878.42 is: 161,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,430.12 : 248,997.54 = 116,878.42 : x
  2. Step 2: Convert to fraction form
    180,430.12/248,997.54 = 116,878.42/x
  3. Step 3: Cross multiply
    180,430.12x = 248,997.54 × 116,878.42
  4. Step 4: Simplify right side
    180,430.12x = 29,102,439,059.09
  5. Step 5: Solve for x
    x = 29,102,439,059.09/180,430.12
  6. Step 6: Final answer
    x = 161,294.79

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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.