Home / 146,492.10-219,512-98,920.76

Finding the Fourth Proportional to 146,492.10, 219,512 and 98,920.76

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Solution

The fourth proportional to 146,492.10, 219,512 and 98,920.76 is: 148,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,492.10 : 219,512 = 98,920.76 : x
  2. Step 2: Convert to fraction form
    146,492.10/219,512 = 98,920.76/x
  3. Step 3: Cross multiply
    146,492.10x = 219,512 × 98,920.76
  4. Step 4: Simplify right side
    146,492.10x = 21,714,293,869.12
  5. Step 5: Solve for x
    x = 21,714,293,869.12/146,492.10
  6. Step 6: Final answer
    x = 148,228.43

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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.