Home / 462,101.98-693,219.09-142,280.91

Finding the Fourth Proportional to 462,101.98, 693,219.09 and 142,280.91

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Solution

The fourth proportional to 462,101.98, 693,219.09 and 142,280.91 is: 213,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,101.98 : 693,219.09 = 142,280.91 : x
  2. Step 2: Convert to fraction form
    462,101.98/693,219.09 = 142,280.91/x
  3. Step 3: Cross multiply
    462,101.98x = 693,219.09 × 142,280.91
  4. Step 4: Simplify right side
    462,101.98x = 98,631,842,954.57
  5. Step 5: Solve for x
    x = 98,631,842,954.57/462,101.98
  6. Step 6: Final answer
    x = 213,441.72

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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.