Home / 156,438.47-234,517.30-56,575.19

Finding the Fourth Proportional to 156,438.47, 234,517.30 and 56,575.19

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Solution

The fourth proportional to 156,438.47, 234,517.30 and 56,575.19 is: 84,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,438.47 : 234,517.30 = 56,575.19 : x
  2. Step 2: Convert to fraction form
    156,438.47/234,517.30 = 56,575.19/x
  3. Step 3: Cross multiply
    156,438.47x = 234,517.30 × 56,575.19
  4. Step 4: Simplify right side
    156,438.47x = 13,267,860,805.79
  5. Step 5: Solve for x
    x = 13,267,860,805.79/156,438.47
  6. Step 6: Final answer
    x = 84,812.01

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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.