Home / 144,300.60-216,454.62-68,381.34

Finding the Fourth Proportional to 144,300.60, 216,454.62 and 68,381.34

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Solution

The fourth proportional to 144,300.60, 216,454.62 and 68,381.34 is: 102,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,300.60 : 216,454.62 = 68,381.34 : x
  2. Step 2: Convert to fraction form
    144,300.60/216,454.62 = 68,381.34/x
  3. Step 3: Cross multiply
    144,300.60x = 216,454.62 × 68,381.34
  4. Step 4: Simplify right side
    144,300.60x = 14,801,456,964.79
  5. Step 5: Solve for x
    x = 14,801,456,964.79/144,300.60
  6. Step 6: Final answer
    x = 102,573.77

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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.