Home / 146,985.84-220,511.70-47,154.96

Finding the Fourth Proportional to 146,985.84, 220,511.70 and 47,154.96

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Solution

The fourth proportional to 146,985.84, 220,511.70 and 47,154.96 is: 70,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,985.84 : 220,511.70 = 47,154.96 : x
  2. Step 2: Convert to fraction form
    146,985.84/220,511.70 = 47,154.96/x
  3. Step 3: Cross multiply
    146,985.84x = 220,511.70 × 47,154.96
  4. Step 4: Simplify right side
    146,985.84x = 10,398,220,393.03
  5. Step 5: Solve for x
    x = 10,398,220,393.03/146,985.84
  6. Step 6: Final answer
    x = 70,743.01

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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.