Home / 149,526.03-206,345.31-81,542.83

Finding the Fourth Proportional to 149,526.03, 206,345.31 and 81,542.83

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Solution

The fourth proportional to 149,526.03, 206,345.31 and 81,542.83 is: 112,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,526.03 : 206,345.31 = 81,542.83 : x
  2. Step 2: Convert to fraction form
    149,526.03/206,345.31 = 81,542.83/x
  3. Step 3: Cross multiply
    149,526.03x = 206,345.31 × 81,542.83
  4. Step 4: Simplify right side
    149,526.03x = 16,825,980,534.63
  5. Step 5: Solve for x
    x = 16,825,980,534.63/149,526.03
  6. Step 6: Final answer
    x = 112,528.77

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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.