Home / 287,727.14-397,063.44-160,410.92

Finding the Fourth Proportional to 287,727.14, 397,063.44 and 160,410.92

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Solution

The fourth proportional to 287,727.14, 397,063.44 and 160,410.92 is: 221,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,727.14 : 397,063.44 = 160,410.92 : x
  2. Step 2: Convert to fraction form
    287,727.14/397,063.44 = 160,410.92/x
  3. Step 3: Cross multiply
    287,727.14x = 397,063.44 × 160,410.92
  4. Step 4: Simplify right side
    287,727.14x = 63,693,311,708.76
  5. Step 5: Solve for x
    x = 63,693,311,708.76/287,727.14
  6. Step 6: Final answer
    x = 221,367.06

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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.