Home / 156,889.32-235,260.47-56,979.87

Finding the Fourth Proportional to 156,889.32, 235,260.47 and 56,979.87

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Solution

The fourth proportional to 156,889.32, 235,260.47 and 56,979.87 is: 85,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,889.32 : 235,260.47 = 56,979.87 : x
  2. Step 2: Convert to fraction form
    156,889.32/235,260.47 = 56,979.87/x
  3. Step 3: Cross multiply
    156,889.32x = 235,260.47 × 56,979.87
  4. Step 4: Simplify right side
    156,889.32x = 13,405,110,711.84
  5. Step 5: Solve for x
    x = 13,405,110,711.84/156,889.32
  6. Step 6: Final answer
    x = 85,443.11

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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.