Home / 156,401.78-234,553.12-56,548.76

Finding the Fourth Proportional to 156,401.78, 234,553.12 and 56,548.76

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Solution

The fourth proportional to 156,401.78, 234,553.12 and 56,548.76 is: 84,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,401.78 : 234,553.12 = 56,548.76 : x
  2. Step 2: Convert to fraction form
    156,401.78/234,553.12 = 56,548.76/x
  3. Step 3: Cross multiply
    156,401.78x = 234,553.12 × 56,548.76
  4. Step 4: Simplify right side
    156,401.78x = 13,263,688,090.13
  5. Step 5: Solve for x
    x = 13,263,688,090.13/156,401.78
  6. Step 6: Final answer
    x = 84,805.22

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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.