Home / 156,941.40-235,152.90-133,613.40

Finding the Fourth Proportional to 156,941.40, 235,152.90 and 133,613.40

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Solution

The fourth proportional to 156,941.40, 235,152.90 and 133,613.40 is: 200,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.40 : 235,152.90 = 133,613.40 : x
  2. Step 2: Convert to fraction form
    156,941.40/235,152.90 = 133,613.40/x
  3. Step 3: Cross multiply
    156,941.40x = 235,152.90 × 133,613.40
  4. Step 4: Simplify right side
    156,941.40x = 31,419,578,488.86
  5. Step 5: Solve for x
    x = 31,419,578,488.86/156,941.40
  6. Step 6: Final answer
    x = 200,199.43

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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.