Home / 156,950.48-216,626.06-103,240.80

Finding the Fourth Proportional to 156,950.48, 216,626.06 and 103,240.80

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Solution

The fourth proportional to 156,950.48, 216,626.06 and 103,240.80 is: 142,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.48 : 216,626.06 = 103,240.80 : x
  2. Step 2: Convert to fraction form
    156,950.48/216,626.06 = 103,240.80/x
  3. Step 3: Cross multiply
    156,950.48x = 216,626.06 × 103,240.80
  4. Step 4: Simplify right side
    156,950.48x = 22,364,647,993.35
  5. Step 5: Solve for x
    x = 22,364,647,993.35/156,950.48
  6. Step 6: Final answer
    x = 142,494.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.