Home / 149,156.16-205,789.10-84,614.73

Finding the Fourth Proportional to 149,156.16, 205,789.10 and 84,614.73

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Solution

The fourth proportional to 149,156.16, 205,789.10 and 84,614.73 is: 116,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,156.16 : 205,789.10 = 84,614.73 : x
  2. Step 2: Convert to fraction form
    149,156.16/205,789.10 = 84,614.73/x
  3. Step 3: Cross multiply
    149,156.16x = 205,789.10 × 84,614.73
  4. Step 4: Simplify right side
    149,156.16x = 17,412,788,710.37
  5. Step 5: Solve for x
    x = 17,412,788,710.37/149,156.16
  6. Step 6: Final answer
    x = 116,742.00

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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.