Home / 313,109.22-432,090.87-169,869.24

Finding the Fourth Proportional to 313,109.22, 432,090.87 and 169,869.24

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Solution

The fourth proportional to 313,109.22, 432,090.87 and 169,869.24 is: 234,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,109.22 : 432,090.87 = 169,869.24 : x
  2. Step 2: Convert to fraction form
    313,109.22/432,090.87 = 169,869.24/x
  3. Step 3: Cross multiply
    313,109.22x = 432,090.87 × 169,869.24
  4. Step 4: Simplify right side
    313,109.22x = 73,398,947,697.84
  5. Step 5: Solve for x
    x = 73,398,947,697.84/313,109.22
  6. Step 6: Final answer
    x = 234,419.63

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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.