Home / 156,178.74-234,364.44-61,392.28

Finding the Fourth Proportional to 156,178.74, 234,364.44 and 61,392.28

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Solution

The fourth proportional to 156,178.74, 234,364.44 and 61,392.28 is: 92,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,178.74 : 234,364.44 = 61,392.28 : x
  2. Step 2: Convert to fraction form
    156,178.74/234,364.44 = 61,392.28/x
  3. Step 3: Cross multiply
    156,178.74x = 234,364.44 × 61,392.28
  4. Step 4: Simplify right side
    156,178.74x = 14,388,167,322.52
  5. Step 5: Solve for x
    x = 14,388,167,322.52/156,178.74
  6. Step 6: Final answer
    x = 92,126.29

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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.