Home / 462,022.40-693,087.60-146,511.20

Finding the Fourth Proportional to 462,022.40, 693,087.60 and 146,511.20

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Solution

The fourth proportional to 462,022.40, 693,087.60 and 146,511.20 is: 219,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,022.40 : 693,087.60 = 146,511.20 : x
  2. Step 2: Convert to fraction form
    462,022.40/693,087.60 = 146,511.20/x
  3. Step 3: Cross multiply
    462,022.40x = 693,087.60 × 146,511.20
  4. Step 4: Simplify right side
    462,022.40x = 101,545,095,981.12
  5. Step 5: Solve for x
    x = 101,545,095,981.12/462,022.40
  6. Step 6: Final answer
    x = 219,783.92

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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.