Home / 151,834.01-209,534.24-83,850.84

Finding the Fourth Proportional to 151,834.01, 209,534.24 and 83,850.84

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Solution

The fourth proportional to 151,834.01, 209,534.24 and 83,850.84 is: 115,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834.01 : 209,534.24 = 83,850.84 : x
  2. Step 2: Convert to fraction form
    151,834.01/209,534.24 = 83,850.84/x
  3. Step 3: Cross multiply
    151,834.01x = 209,534.24 × 83,850.84
  4. Step 4: Simplify right side
    151,834.01x = 17,569,622,242.39
  5. Step 5: Solve for x
    x = 17,569,622,242.39/151,834.01
  6. Step 6: Final answer
    x = 115,715.99

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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.