Home / 356,639.56-535,029.40-132,001.92

Finding the Fourth Proportional to 356,639.56, 535,029.40 and 132,001.92

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Solution

The fourth proportional to 356,639.56, 535,029.40 and 132,001.92 is: 198,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,639.56 : 535,029.40 = 132,001.92 : x
  2. Step 2: Convert to fraction form
    356,639.56/535,029.40 = 132,001.92/x
  3. Step 3: Cross multiply
    356,639.56x = 535,029.40 × 132,001.92
  4. Step 4: Simplify right side
    356,639.56x = 70,624,908,056.45
  5. Step 5: Solve for x
    x = 70,624,908,056.45/356,639.56
  6. Step 6: Final answer
    x = 198,028.81

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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.