Home / 156,745.90-235,118.85-56,909.35

Finding the Fourth Proportional to 156,745.90, 235,118.85 and 56,909.35

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Solution

The fourth proportional to 156,745.90, 235,118.85 and 56,909.35 is: 85,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.90 : 235,118.85 = 56,909.35 : x
  2. Step 2: Convert to fraction form
    156,745.90/235,118.85 = 56,909.35/x
  3. Step 3: Cross multiply
    156,745.90x = 235,118.85 × 56,909.35
  4. Step 4: Simplify right side
    156,745.90x = 13,380,460,926.25
  5. Step 5: Solve for x
    x = 13,380,460,926.25/156,745.90
  6. Step 6: Final answer
    x = 85,364.03

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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.