Home / 146,495.20-219,742.80-124,722.40

Finding the Fourth Proportional to 146,495.20, 219,742.80 and 124,722.40

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Solution

The fourth proportional to 146,495.20, 219,742.80 and 124,722.40 is: 187,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,495.20 : 219,742.80 = 124,722.40 : x
  2. Step 2: Convert to fraction form
    146,495.20/219,742.80 = 124,722.40/x
  3. Step 3: Cross multiply
    146,495.20x = 219,742.80 × 124,722.40
  4. Step 4: Simplify right side
    146,495.20x = 27,406,849,398.72
  5. Step 5: Solve for x
    x = 27,406,849,398.72/146,495.20
  6. Step 6: Final answer
    x = 187,083.60

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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.