Home / 148,628.24-205,107.36-84,967.76

Finding the Fourth Proportional to 148,628.24, 205,107.36 and 84,967.76

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Solution

The fourth proportional to 148,628.24, 205,107.36 and 84,967.76 is: 117,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,628.24 : 205,107.36 = 84,967.76 : x
  2. Step 2: Convert to fraction form
    148,628.24/205,107.36 = 84,967.76/x
  3. Step 3: Cross multiply
    148,628.24x = 205,107.36 × 84,967.76
  4. Step 4: Simplify right side
    148,628.24x = 17,427,512,938.71
  5. Step 5: Solve for x
    x = 17,427,512,938.71/148,628.24
  6. Step 6: Final answer
    x = 117,255.73

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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.