Home / 316,999.36-437,457.13-173,765.44

Finding the Fourth Proportional to 316,999.36, 437,457.13 and 173,765.44

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Solution

The fourth proportional to 316,999.36, 437,457.13 and 173,765.44 is: 239,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,999.36 : 437,457.13 = 173,765.44 : x
  2. Step 2: Convert to fraction form
    316,999.36/437,457.13 = 173,765.44/x
  3. Step 3: Cross multiply
    316,999.36x = 437,457.13 × 173,765.44
  4. Step 4: Simplify right side
    316,999.36x = 76,014,930,675.59
  5. Step 5: Solve for x
    x = 76,014,930,675.59/316,999.36
  6. Step 6: Final answer
    x = 239,795.22

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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.