Home / 156,010.30-234,015.45-154,455.10

Finding the Fourth Proportional to 156,010.30, 234,015.45 and 154,455.10

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Solution

The fourth proportional to 156,010.30, 234,015.45 and 154,455.10 is: 231,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,010.30 : 234,015.45 = 154,455.10 : x
  2. Step 2: Convert to fraction form
    156,010.30/234,015.45 = 154,455.10/x
  3. Step 3: Cross multiply
    156,010.30x = 234,015.45 × 154,455.10
  4. Step 4: Simplify right side
    156,010.30x = 36,144,879,731.30
  5. Step 5: Solve for x
    x = 36,144,879,731.30/156,010.30
  6. Step 6: Final answer
    x = 231,682.65

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1.5x scale

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.