Home / 156,178.81-234,364.61-61,392.41

Finding the Fourth Proportional to 156,178.81, 234,364.61 and 61,392.41

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Solution

The fourth proportional to 156,178.81, 234,364.61 and 61,392.41 is: 92,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,178.81 : 234,364.61 = 61,392.41 : x
  2. Step 2: Convert to fraction form
    156,178.81/234,364.61 = 61,392.41/x
  3. Step 3: Cross multiply
    156,178.81x = 234,364.61 × 61,392.41
  4. Step 4: Simplify right side
    156,178.81x = 14,388,208,226.61
  5. Step 5: Solve for x
    x = 14,388,208,226.61/156,178.81
  6. Step 6: Final answer
    x = 92,126.51

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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.