Home / 160,276.80-221,172.96-92,282.88

Finding the Fourth Proportional to 160,276.80, 221,172.96 and 92,282.88

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Solution

The fourth proportional to 160,276.80, 221,172.96 and 92,282.88 is: 127,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,276.80 : 221,172.96 = 92,282.88 : x
  2. Step 2: Convert to fraction form
    160,276.80/221,172.96 = 92,282.88/x
  3. Step 3: Cross multiply
    160,276.80x = 221,172.96 × 92,282.88
  4. Step 4: Simplify right side
    160,276.80x = 20,410,477,726.92
  5. Step 5: Solve for x
    x = 20,410,477,726.92/160,276.80
  6. Step 6: Final answer
    x = 127,345.18

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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.