Home / 133,529.45-200,343.38-70,347.02

Finding the Fourth Proportional to 133,529.45, 200,343.38 and 70,347.02

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Solution

The fourth proportional to 133,529.45, 200,343.38 and 70,347.02 is: 105,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,529.45 : 200,343.38 = 70,347.02 : x
  2. Step 2: Convert to fraction form
    133,529.45/200,343.38 = 70,347.02/x
  3. Step 3: Cross multiply
    133,529.45x = 200,343.38 × 70,347.02
  4. Step 4: Simplify right side
    133,529.45x = 14,093,559,696.64
  5. Step 5: Solve for x
    x = 14,093,559,696.64/133,529.45
  6. Step 6: Final answer
    x = 105,546.45

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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.