Home / 149,527.58-206,345.46-81,545.08

Finding the Fourth Proportional to 149,527.58, 206,345.46 and 81,545.08

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Solution

The fourth proportional to 149,527.58, 206,345.46 and 81,545.08 is: 112,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,527.58 : 206,345.46 = 81,545.08 : x
  2. Step 2: Convert to fraction form
    149,527.58/206,345.46 = 81,545.08/x
  3. Step 3: Cross multiply
    149,527.58x = 206,345.46 × 81,545.08
  4. Step 4: Simplify right side
    149,527.58x = 16,826,457,043.34
  5. Step 5: Solve for x
    x = 16,826,457,043.34/149,527.58
  6. Step 6: Final answer
    x = 112,530.79

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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.