Home / 156,948.99-216,586.96-85,330.82

Finding the Fourth Proportional to 156,948.99, 216,586.96 and 85,330.82

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Solution

The fourth proportional to 156,948.99, 216,586.96 and 85,330.82 is: 117,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.99 : 216,586.96 = 85,330.82 : x
  2. Step 2: Convert to fraction form
    156,948.99/216,586.96 = 85,330.82/x
  3. Step 3: Cross multiply
    156,948.99x = 216,586.96 × 85,330.82
  4. Step 4: Simplify right side
    156,948.99x = 18,481,541,388.52
  5. Step 5: Solve for x
    x = 18,481,541,388.52/156,948.99
  6. Step 6: Final answer
    x = 117,755.08

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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.