Home / 133,718.39-184,551.71-85,341.19

Finding the Fourth Proportional to 133,718.39, 184,551.71 and 85,341.19

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Solution

The fourth proportional to 133,718.39, 184,551.71 and 85,341.19 is: 117,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.39 : 184,551.71 = 85,341.19 : x
  2. Step 2: Convert to fraction form
    133,718.39/184,551.71 = 85,341.19/x
  3. Step 3: Cross multiply
    133,718.39x = 184,551.71 × 85,341.19
  4. Step 4: Simplify right side
    133,718.39x = 15,749,862,547.93
  5. Step 5: Solve for x
    x = 15,749,862,547.93/133,718.39
  6. Step 6: Final answer
    x = 117,783.82

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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.