Home / 140,896.40-194,444.96-83,569.73

Finding the Fourth Proportional to 140,896.40, 194,444.96 and 83,569.73

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Solution

The fourth proportional to 140,896.40, 194,444.96 and 83,569.73 is: 115,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,896.40 : 194,444.96 = 83,569.73 : x
  2. Step 2: Convert to fraction form
    140,896.40/194,444.96 = 83,569.73/x
  3. Step 3: Cross multiply
    140,896.40x = 194,444.96 × 83,569.73
  4. Step 4: Simplify right side
    140,896.40x = 16,249,711,416.99
  5. Step 5: Solve for x
    x = 16,249,711,416.99/140,896.40
  6. Step 6: Final answer
    x = 115,330.92

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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.