Home / 116,301.12-160,503.84-66,003.36

Finding the Fourth Proportional to 116,301.12, 160,503.84 and 66,003.36

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Solution

The fourth proportional to 116,301.12, 160,503.84 and 66,003.36 is: 91,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,301.12 : 160,503.84 = 66,003.36 : x
  2. Step 2: Convert to fraction form
    116,301.12/160,503.84 = 66,003.36/x
  3. Step 3: Cross multiply
    116,301.12x = 160,503.84 × 66,003.36
  4. Step 4: Simplify right side
    116,301.12x = 10,593,792,732.90
  5. Step 5: Solve for x
    x = 10,593,792,732.90/116,301.12
  6. Step 6: Final answer
    x = 91,089.34

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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.