Home / 156,746.40-235,119.60-56,909.85

Finding the Fourth Proportional to 156,746.40, 235,119.60 and 56,909.85

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Solution

The fourth proportional to 156,746.40, 235,119.60 and 56,909.85 is: 85,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.40 : 235,119.60 = 56,909.85 : x
  2. Step 2: Convert to fraction form
    156,746.40/235,119.60 = 56,909.85/x
  3. Step 3: Cross multiply
    156,746.40x = 235,119.60 × 56,909.85
  4. Step 4: Simplify right side
    156,746.40x = 13,380,621,168.06
  5. Step 5: Solve for x
    x = 13,380,621,168.06/156,746.40
  6. Step 6: Final answer
    x = 85,364.78

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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.