Home / 156,818.15-235,199.45-71,409.42

Finding the Fourth Proportional to 156,818.15, 235,199.45 and 71,409.42

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Solution

The fourth proportional to 156,818.15, 235,199.45 and 71,409.42 is: 107,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818.15 : 235,199.45 = 71,409.42 : x
  2. Step 2: Convert to fraction form
    156,818.15/235,199.45 = 71,409.42/x
  3. Step 3: Cross multiply
    156,818.15x = 235,199.45 × 71,409.42
  4. Step 4: Simplify right side
    156,818.15x = 16,795,455,951.77
  5. Step 5: Solve for x
    x = 16,795,455,951.77/156,818.15
  6. Step 6: Final answer
    x = 107,101.48

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1.5x scale

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.