Home / 134,309.84-201,373.88-75,186.32

Finding the Fourth Proportional to 134,309.84, 201,373.88 and 75,186.32

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Solution

The fourth proportional to 134,309.84, 201,373.88 and 75,186.32 is: 112,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309.84 : 201,373.88 = 75,186.32 : x
  2. Step 2: Convert to fraction form
    134,309.84/201,373.88 = 75,186.32/x
  3. Step 3: Cross multiply
    134,309.84x = 201,373.88 × 75,186.32
  4. Step 4: Simplify right side
    134,309.84x = 15,140,560,981.32
  5. Step 5: Solve for x
    x = 15,140,560,981.32/134,309.84
  6. Step 6: Final answer
    x = 112,728.61

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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.