Home / 156,429.51-234,688.01-51,322.29

Finding the Fourth Proportional to 156,429.51, 234,688.01 and 51,322.29

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Solution

The fourth proportional to 156,429.51, 234,688.01 and 51,322.29 is: 76,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,429.51 : 234,688.01 = 51,322.29 : x
  2. Step 2: Convert to fraction form
    156,429.51/234,688.01 = 51,322.29/x
  3. Step 3: Cross multiply
    156,429.51x = 234,688.01 × 51,322.29
  4. Step 4: Simplify right side
    156,429.51x = 12,044,725,852.13
  5. Step 5: Solve for x
    x = 12,044,725,852.13/156,429.51
  6. Step 6: Final answer
    x = 76,997.79

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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.