Home / 156,828.42-235,168.56-56,918.70

Finding the Fourth Proportional to 156,828.42, 235,168.56 and 56,918.70

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Solution

The fourth proportional to 156,828.42, 235,168.56 and 56,918.70 is: 85,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,828.42 : 235,168.56 = 56,918.70 : x
  2. Step 2: Convert to fraction form
    156,828.42/235,168.56 = 56,918.70/x
  3. Step 3: Cross multiply
    156,828.42x = 235,168.56 × 56,918.70
  4. Step 4: Simplify right side
    156,828.42x = 13,385,488,716.07
  5. Step 5: Solve for x
    x = 13,385,488,716.07/156,828.42
  6. Step 6: Final answer
    x = 85,351.17

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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.