Home / 156,972.10-235,458.15-144,069.70

Finding the Fourth Proportional to 156,972.10, 235,458.15 and 144,069.70

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Solution

The fourth proportional to 156,972.10, 235,458.15 and 144,069.70 is: 216,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.10 : 235,458.15 = 144,069.70 : x
  2. Step 2: Convert to fraction form
    156,972.10/235,458.15 = 144,069.70/x
  3. Step 3: Cross multiply
    156,972.10x = 235,458.15 × 144,069.70
  4. Step 4: Simplify right side
    156,972.10x = 33,922,385,033.06
  5. Step 5: Solve for x
    x = 33,922,385,033.06/156,972.10
  6. Step 6: Final answer
    x = 216,104.55

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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.