Home / 156,556.16-234,300.32-99,601.28

Finding the Fourth Proportional to 156,556.16, 234,300.32 and 99,601.28

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Solution

The fourth proportional to 156,556.16, 234,300.32 and 99,601.28 is: 149,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,556.16 : 234,300.32 = 99,601.28 : x
  2. Step 2: Convert to fraction form
    156,556.16/234,300.32 = 99,601.28/x
  3. Step 3: Cross multiply
    156,556.16x = 234,300.32 × 99,601.28
  4. Step 4: Simplify right side
    156,556.16x = 23,336,611,776.41
  5. Step 5: Solve for x
    x = 23,336,611,776.41/156,556.16
  6. Step 6: Final answer
    x = 149,062.24

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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.