Home / 156,864.59-235,164.64-68,051.14

Finding the Fourth Proportional to 156,864.59, 235,164.64 and 68,051.14

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Solution

The fourth proportional to 156,864.59, 235,164.64 and 68,051.14 is: 102,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.59 : 235,164.64 = 68,051.14 : x
  2. Step 2: Convert to fraction form
    156,864.59/235,164.64 = 68,051.14/x
  3. Step 3: Cross multiply
    156,864.59x = 235,164.64 × 68,051.14
  4. Step 4: Simplify right side
    156,864.59x = 16,003,221,839.69
  5. Step 5: Solve for x
    x = 16,003,221,839.69/156,864.59
  6. Step 6: Final answer
    x = 102,019.34

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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.