Home / 156,179.81-234,366.11-61,393.41

Finding the Fourth Proportional to 156,179.81, 234,366.11 and 61,393.41

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Solution

The fourth proportional to 156,179.81, 234,366.11 and 61,393.41 is: 92,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,179.81 : 234,366.11 = 61,393.41 : x
  2. Step 2: Convert to fraction form
    156,179.81/234,366.11 = 61,393.41/x
  3. Step 3: Cross multiply
    156,179.81x = 234,366.11 × 61,393.41
  4. Step 4: Simplify right side
    156,179.81x = 14,388,534,681.34
  5. Step 5: Solve for x
    x = 14,388,534,681.34/156,179.81
  6. Step 6: Final answer
    x = 92,128.01

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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.