Home / 293,621.70-405,191.04-172,770.84

Finding the Fourth Proportional to 293,621.70, 405,191.04 and 172,770.84

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Solution

The fourth proportional to 293,621.70, 405,191.04 and 172,770.84 is: 238,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,621.70 : 405,191.04 = 172,770.84 : x
  2. Step 2: Convert to fraction form
    293,621.70/405,191.04 = 172,770.84/x
  3. Step 3: Cross multiply
    293,621.70x = 405,191.04 × 172,770.84
  4. Step 4: Simplify right side
    293,621.70x = 70,005,196,341.27
  5. Step 5: Solve for x
    x = 70,005,196,341.27/293,621.70
  6. Step 6: Final answer
    x = 238,419.70

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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.