Home / 156,423.96-234,655.58-76,464.51

Finding the Fourth Proportional to 156,423.96, 234,655.58 and 76,464.51

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Solution

The fourth proportional to 156,423.96, 234,655.58 and 76,464.51 is: 114,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,423.96 : 234,655.58 = 76,464.51 : x
  2. Step 2: Convert to fraction form
    156,423.96/234,655.58 = 76,464.51/x
  3. Step 3: Cross multiply
    156,423.96x = 234,655.58 × 76,464.51
  4. Step 4: Simplify right side
    156,423.96x = 17,942,823,254.67
  5. Step 5: Solve for x
    x = 17,942,823,254.67/156,423.96
  6. Step 6: Final answer
    x = 114,706.36

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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.