Home / 324,788.08-448,083.12-197,417.20

Finding the Fourth Proportional to 324,788.08, 448,083.12 and 197,417.20

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Solution

The fourth proportional to 324,788.08, 448,083.12 and 197,417.20 is: 272,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,788.08 : 448,083.12 = 197,417.20 : x
  2. Step 2: Convert to fraction form
    324,788.08/448,083.12 = 197,417.20/x
  3. Step 3: Cross multiply
    324,788.08x = 448,083.12 × 197,417.20
  4. Step 4: Simplify right side
    324,788.08x = 88,459,314,917.66
  5. Step 5: Solve for x
    x = 88,459,314,917.66/324,788.08
  6. Step 6: Final answer
    x = 272,360.10

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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.