Home / 293,530.60-439,712.70-160,172.20

Finding the Fourth Proportional to 293,530.60, 439,712.70 and 160,172.20

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Solution

The fourth proportional to 293,530.60, 439,712.70 and 160,172.20 is: 239,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,530.60 : 439,712.70 = 160,172.20 : x
  2. Step 2: Convert to fraction form
    293,530.60/439,712.70 = 160,172.20/x
  3. Step 3: Cross multiply
    293,530.60x = 439,712.70 × 160,172.20
  4. Step 4: Simplify right side
    293,530.60x = 70,429,750,526.94
  5. Step 5: Solve for x
    x = 70,429,750,526.94/293,530.60
  6. Step 6: Final answer
    x = 239,940.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.