Home / 146,519.40-219,779.10-101,418.60

Finding the Fourth Proportional to 146,519.40, 219,779.10 and 101,418.60

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Solution

The fourth proportional to 146,519.40, 219,779.10 and 101,418.60 is: 152,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519.40 : 219,779.10 = 101,418.60 : x
  2. Step 2: Convert to fraction form
    146,519.40/219,779.10 = 101,418.60/x
  3. Step 3: Cross multiply
    146,519.40x = 219,779.10 × 101,418.60
  4. Step 4: Simplify right side
    146,519.40x = 22,289,688,631.26
  5. Step 5: Solve for x
    x = 22,289,688,631.26/146,519.40
  6. Step 6: Final answer
    x = 152,127.90

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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.