Home / 156,733.70-235,100.55-154,400.90

Finding the Fourth Proportional to 156,733.70, 235,100.55 and 154,400.90

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Solution

The fourth proportional to 156,733.70, 235,100.55 and 154,400.90 is: 231,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.70 : 235,100.55 = 154,400.90 : x
  2. Step 2: Convert to fraction form
    156,733.70/235,100.55 = 154,400.90/x
  3. Step 3: Cross multiply
    156,733.70x = 235,100.55 × 154,400.90
  4. Step 4: Simplify right side
    156,733.70x = 36,299,736,510.50
  5. Step 5: Solve for x
    x = 36,299,736,510.50/156,733.70
  6. Step 6: Final answer
    x = 231,601.35

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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.