Home / 157,326.37-235,806.39-89,905.68

Finding the Fourth Proportional to 157,326.37, 235,806.39 and 89,905.68

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Solution

The fourth proportional to 157,326.37, 235,806.39 and 89,905.68 is: 134,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,326.37 : 235,806.39 = 89,905.68 : x
  2. Step 2: Convert to fraction form
    157,326.37/235,806.39 = 89,905.68/x
  3. Step 3: Cross multiply
    157,326.37x = 235,806.39 × 89,905.68
  4. Step 4: Simplify right side
    157,326.37x = 21,200,333,841.30
  5. Step 5: Solve for x
    x = 21,200,333,841.30/157,326.37
  6. Step 6: Final answer
    x = 134,753.85

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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.