Home / 156,783.11-235,477.20-134,344.49

Finding the Fourth Proportional to 156,783.11, 235,477.20 and 134,344.49

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Solution

The fourth proportional to 156,783.11, 235,477.20 and 134,344.49 is: 201,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.11 : 235,477.20 = 134,344.49 : x
  2. Step 2: Convert to fraction form
    156,783.11/235,477.20 = 134,344.49/x
  3. Step 3: Cross multiply
    156,783.11x = 235,477.20 × 134,344.49
  4. Step 4: Simplify right side
    156,783.11x = 31,635,064,340.63
  5. Step 5: Solve for x
    x = 31,635,064,340.63/156,783.11
  6. Step 6: Final answer
    x = 201,775.97

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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.