Home / 136,580.08-204,867.68-52,317.40

Finding the Fourth Proportional to 136,580.08, 204,867.68 and 52,317.40

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Solution

The fourth proportional to 136,580.08, 204,867.68 and 52,317.40 is: 78,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,580.08 : 204,867.68 = 52,317.40 : x
  2. Step 2: Convert to fraction form
    136,580.08/204,867.68 = 52,317.40/x
  3. Step 3: Cross multiply
    136,580.08x = 204,867.68 × 52,317.40
  4. Step 4: Simplify right side
    136,580.08x = 10,718,144,361.63
  5. Step 5: Solve for x
    x = 10,718,144,361.63/136,580.08
  6. Step 6: Final answer
    x = 78,475.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.