Home / 156,241.72-234,314.21-56,389.28

Finding the Fourth Proportional to 156,241.72, 234,314.21 and 56,389.28

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Solution

The fourth proportional to 156,241.72, 234,314.21 and 56,389.28 is: 84,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,241.72 : 234,314.21 = 56,389.28 : x
  2. Step 2: Convert to fraction form
    156,241.72/234,314.21 = 56,389.28/x
  3. Step 3: Cross multiply
    156,241.72x = 234,314.21 × 56,389.28
  4. Step 4: Simplify right side
    156,241.72x = 13,212,808,142.15
  5. Step 5: Solve for x
    x = 13,212,808,142.15/156,241.72
  6. Step 6: Final answer
    x = 84,566.45

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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.