Home / 116,729.96-161,153.70-77,101.16

Finding the Fourth Proportional to 116,729.96, 161,153.70 and 77,101.16

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Solution

The fourth proportional to 116,729.96, 161,153.70 and 77,101.16 is: 106,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,729.96 : 161,153.70 = 77,101.16 : x
  2. Step 2: Convert to fraction form
    116,729.96/161,153.70 = 77,101.16/x
  3. Step 3: Cross multiply
    116,729.96x = 161,153.70 × 77,101.16
  4. Step 4: Simplify right side
    116,729.96x = 12,425,137,208.29
  5. Step 5: Solve for x
    x = 12,425,137,208.29/116,729.96
  6. Step 6: Final answer
    x = 106,443.43

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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.