Home / 156,838.40-235,125.33-68,025

Finding the Fourth Proportional to 156,838.40, 235,125.33 and 68,025

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Solution

The fourth proportional to 156,838.40, 235,125.33 and 68,025 is: 101,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,838.40 : 235,125.33 = 68,025 : x
  2. Step 2: Convert to fraction form
    156,838.40/235,125.33 = 68,025/x
  3. Step 3: Cross multiply
    156,838.40x = 235,125.33 × 68,025
  4. Step 4: Simplify right side
    156,838.40x = 15,994,400,573.25
  5. Step 5: Solve for x
    x = 15,994,400,573.25/156,838.40
  6. Step 6: Final answer
    x = 101,980.13

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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.