Home / 156,394.18-234,615.57-51,188.95

Finding the Fourth Proportional to 156,394.18, 234,615.57 and 51,188.95

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Solution

The fourth proportional to 156,394.18, 234,615.57 and 51,188.95 is: 76,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,394.18 : 234,615.57 = 51,188.95 : x
  2. Step 2: Convert to fraction form
    156,394.18/234,615.57 = 51,188.95/x
  3. Step 3: Cross multiply
    156,394.18x = 234,615.57 × 51,188.95
  4. Step 4: Simplify right side
    156,394.18x = 12,009,724,681.95
  5. Step 5: Solve for x
    x = 12,009,724,681.95/156,394.18
  6. Step 6: Final answer
    x = 76,791.38

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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.