Home / 156,702.75-235,147.53-56,870.75

Finding the Fourth Proportional to 156,702.75, 235,147.53 and 56,870.75

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Solution

The fourth proportional to 156,702.75, 235,147.53 and 56,870.75 is: 85,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,702.75 : 235,147.53 = 56,870.75 : x
  2. Step 2: Convert to fraction form
    156,702.75/235,147.53 = 56,870.75/x
  3. Step 3: Cross multiply
    156,702.75x = 235,147.53 × 56,870.75
  4. Step 4: Simplify right side
    156,702.75x = 13,373,015,216.01
  5. Step 5: Solve for x
    x = 13,373,015,216.01/156,702.75
  6. Step 6: Final answer
    x = 85,340.02

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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.