Home / 348,033.40-521,628.90-147,933.70

Finding the Fourth Proportional to 348,033.40, 521,628.90 and 147,933.70

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Solution

The fourth proportional to 348,033.40, 521,628.90 and 147,933.70 is: 221,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033.40 : 521,628.90 = 147,933.70 : x
  2. Step 2: Convert to fraction form
    348,033.40/521,628.90 = 147,933.70/x
  3. Step 3: Cross multiply
    348,033.40x = 521,628.90 × 147,933.70
  4. Step 4: Simplify right side
    348,033.40x = 77,166,493,203.93
  5. Step 5: Solve for x
    x = 77,166,493,203.93/348,033.40
  6. Step 6: Final answer
    x = 221,721.52

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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.