Home / 156,899.99-216,524.44-85,280.19

Finding the Fourth Proportional to 156,899.99, 216,524.44 and 85,280.19

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Solution

The fourth proportional to 156,899.99, 216,524.44 and 85,280.19 is: 117,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,899.99 : 216,524.44 = 85,280.19 : x
  2. Step 2: Convert to fraction form
    156,899.99/216,524.44 = 85,280.19/x
  3. Step 3: Cross multiply
    156,899.99x = 216,524.44 × 85,280.19
  4. Step 4: Simplify right side
    156,899.99x = 18,465,245,895.43
  5. Step 5: Solve for x
    x = 18,465,245,895.43/156,899.99
  6. Step 6: Final answer
    x = 117,688.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.