Home / 151,918.85-209,660.26-83,941.76

Finding the Fourth Proportional to 151,918.85, 209,660.26 and 83,941.76

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Solution

The fourth proportional to 151,918.85, 209,660.26 and 83,941.76 is: 115,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,918.85 : 209,660.26 = 83,941.76 : x
  2. Step 2: Convert to fraction form
    151,918.85/209,660.26 = 83,941.76/x
  3. Step 3: Cross multiply
    151,918.85x = 209,660.26 × 83,941.76
  4. Step 4: Simplify right side
    151,918.85x = 17,599,251,226.46
  5. Step 5: Solve for x
    x = 17,599,251,226.46/151,918.85
  6. Step 6: Final answer
    x = 115,846.40

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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.