Home / 116,737.96-161,164.74-77,109.16

Finding the Fourth Proportional to 116,737.96, 161,164.74 and 77,109.16

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Solution

The fourth proportional to 116,737.96, 161,164.74 and 77,109.16 is: 106,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,737.96 : 161,164.74 = 77,109.16 : x
  2. Step 2: Convert to fraction form
    116,737.96/161,164.74 = 77,109.16/x
  3. Step 3: Cross multiply
    116,737.96x = 161,164.74 × 77,109.16
  4. Step 4: Simplify right side
    116,737.96x = 12,427,277,723.02
  5. Step 5: Solve for x
    x = 12,427,277,723.02/116,737.96
  6. Step 6: Final answer
    x = 106,454.47

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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.