Home / 293,621.76-405,187.20-159,482.88

Finding the Fourth Proportional to 293,621.76, 405,187.20 and 159,482.88

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Solution

The fourth proportional to 293,621.76, 405,187.20 and 159,482.88 is: 220,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,621.76 : 405,187.20 = 159,482.88 : x
  2. Step 2: Convert to fraction form
    293,621.76/405,187.20 = 159,482.88/x
  3. Step 3: Cross multiply
    293,621.76x = 405,187.20 × 159,482.88
  4. Step 4: Simplify right side
    293,621.76x = 64,620,421,595.14
  5. Step 5: Solve for x
    x = 64,620,421,595.14/293,621.76
  6. Step 6: Final answer
    x = 220,080.49

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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.