Home / 325,918.90-488,856.94-112,637.20

Finding the Fourth Proportional to 325,918.90, 488,856.94 and 112,637.20

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Solution

The fourth proportional to 325,918.90, 488,856.94 and 112,637.20 is: 168,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,918.90 : 488,856.94 = 112,637.20 : x
  2. Step 2: Convert to fraction form
    325,918.90/488,856.94 = 112,637.20/x
  3. Step 3: Cross multiply
    325,918.90x = 488,856.94 × 112,637.20
  4. Step 4: Simplify right side
    325,918.90x = 55,063,476,922.17
  5. Step 5: Solve for x
    x = 55,063,476,922.17/325,918.90
  6. Step 6: Final answer
    x = 168,948.40

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1.5x scale

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.