Home / 156,746.40-235,141.20-56,882.40

Finding the Fourth Proportional to 156,746.40, 235,141.20 and 56,882.40

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Solution

The fourth proportional to 156,746.40, 235,141.20 and 56,882.40 is: 85,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.40 : 235,141.20 = 56,882.40 : x
  2. Step 2: Convert to fraction form
    156,746.40/235,141.20 = 56,882.40/x
  3. Step 3: Cross multiply
    156,746.40x = 235,141.20 × 56,882.40
  4. Step 4: Simplify right side
    156,746.40x = 13,375,395,794.88
  5. Step 5: Solve for x
    x = 13,375,395,794.88/156,746.40
  6. Step 6: Final answer
    x = 85,331.44

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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.