Home / 156,954.10-235,042.35-100,707.70

Finding the Fourth Proportional to 156,954.10, 235,042.35 and 100,707.70

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Solution

The fourth proportional to 156,954.10, 235,042.35 and 100,707.70 is: 150,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.10 : 235,042.35 = 100,707.70 : x
  2. Step 2: Convert to fraction form
    156,954.10/235,042.35 = 100,707.70/x
  3. Step 3: Cross multiply
    156,954.10x = 235,042.35 × 100,707.70
  4. Step 4: Simplify right side
    156,954.10x = 23,670,574,471.10
  5. Step 5: Solve for x
    x = 23,670,574,471.10/156,954.10
  6. Step 6: Final answer
    x = 150,812.08

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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.