Home / 148,932.19-205,526.43-81,864.19

Finding the Fourth Proportional to 148,932.19, 205,526.43 and 81,864.19

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Solution

The fourth proportional to 148,932.19, 205,526.43 and 81,864.19 is: 112,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,932.19 : 205,526.43 = 81,864.19 : x
  2. Step 2: Convert to fraction form
    148,932.19/205,526.43 = 81,864.19/x
  3. Step 3: Cross multiply
    148,932.19x = 205,526.43 × 81,864.19
  4. Step 4: Simplify right side
    148,932.19x = 16,825,254,715.54
  5. Step 5: Solve for x
    x = 16,825,254,715.54/148,932.19
  6. Step 6: Final answer
    x = 112,972.59

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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.