Home / 133,616.96-184,345.63-76,215.04

Finding the Fourth Proportional to 133,616.96, 184,345.63 and 76,215.04

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Solution

The fourth proportional to 133,616.96, 184,345.63 and 76,215.04 is: 105,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.96 : 184,345.63 = 76,215.04 : x
  2. Step 2: Convert to fraction form
    133,616.96/184,345.63 = 76,215.04/x
  3. Step 3: Cross multiply
    133,616.96x = 184,345.63 × 76,215.04
  4. Step 4: Simplify right side
    133,616.96x = 14,049,909,564.28
  5. Step 5: Solve for x
    x = 14,049,909,564.28/133,616.96
  6. Step 6: Final answer
    x = 105,150.65

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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.