Home / 156,063.41-215,351.93-88,073.81

Finding the Fourth Proportional to 156,063.41, 215,351.93 and 88,073.81

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Solution

The fourth proportional to 156,063.41, 215,351.93 and 88,073.81 is: 121,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.41 : 215,351.93 = 88,073.81 : x
  2. Step 2: Convert to fraction form
    156,063.41/215,351.93 = 88,073.81/x
  3. Step 3: Cross multiply
    156,063.41x = 215,351.93 × 88,073.81
  4. Step 4: Simplify right side
    156,063.41x = 18,966,864,525.58
  5. Step 5: Solve for x
    x = 18,966,864,525.58/156,063.41
  6. Step 6: Final answer
    x = 121,533.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.