Home / 156,245.15-234,368.01-56,475.78

Finding the Fourth Proportional to 156,245.15, 234,368.01 and 56,475.78

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Solution

The fourth proportional to 156,245.15, 234,368.01 and 56,475.78 is: 84,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,245.15 : 234,368.01 = 56,475.78 : x
  2. Step 2: Convert to fraction form
    156,245.15/234,368.01 = 56,475.78/x
  3. Step 3: Cross multiply
    156,245.15x = 234,368.01 × 56,475.78
  4. Step 4: Simplify right side
    156,245.15x = 13,236,116,171.80
  5. Step 5: Solve for x
    x = 13,236,116,171.80/156,245.15
  6. Step 6: Final answer
    x = 84,713.77

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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.