Home / 146,212.80-219,319.20-96,446.40

Finding the Fourth Proportional to 146,212.80, 219,319.20 and 96,446.40

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Solution

The fourth proportional to 146,212.80, 219,319.20 and 96,446.40 is: 144,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,212.80 : 219,319.20 = 96,446.40 : x
  2. Step 2: Convert to fraction form
    146,212.80/219,319.20 = 96,446.40/x
  3. Step 3: Cross multiply
    146,212.80x = 219,319.20 × 96,446.40
  4. Step 4: Simplify right side
    146,212.80x = 21,152,547,290.88
  5. Step 5: Solve for x
    x = 21,152,547,290.88/146,212.80
  6. Step 6: Final answer
    x = 144,669.60

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1.5x scale

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.