Home / 156,710.40-235,087.20-56,846.40

Finding the Fourth Proportional to 156,710.40, 235,087.20 and 56,846.40

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Solution

The fourth proportional to 156,710.40, 235,087.20 and 56,846.40 is: 85,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,710.40 : 235,087.20 = 56,846.40 : x
  2. Step 2: Convert to fraction form
    156,710.40/235,087.20 = 56,846.40/x
  3. Step 3: Cross multiply
    156,710.40x = 235,087.20 × 56,846.40
  4. Step 4: Simplify right side
    156,710.40x = 13,363,861,006.08
  5. Step 5: Solve for x
    x = 13,363,861,006.08/156,710.40
  6. Step 6: Final answer
    x = 85,277.44

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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.