Home / 156,476.09-234,655.20-56,611.59

Finding the Fourth Proportional to 156,476.09, 234,655.20 and 56,611.59

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Solution

The fourth proportional to 156,476.09, 234,655.20 and 56,611.59 is: 84,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,476.09 : 234,655.20 = 56,611.59 : x
  2. Step 2: Convert to fraction form
    156,476.09/234,655.20 = 56,611.59/x
  3. Step 3: Cross multiply
    156,476.09x = 234,655.20 × 56,611.59
  4. Step 4: Simplify right side
    156,476.09x = 13,284,203,973.77
  5. Step 5: Solve for x
    x = 13,284,203,973.77/156,476.09
  6. Step 6: Final answer
    x = 84,896.07

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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.