Home / 285,478.11-428,224.14-95,941.26

Finding the Fourth Proportional to 285,478.11, 428,224.14 and 95,941.26

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Solution

The fourth proportional to 285,478.11, 428,224.14 and 95,941.26 is: 143,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,478.11 : 428,224.14 = 95,941.26 : x
  2. Step 2: Convert to fraction form
    285,478.11/428,224.14 = 95,941.26/x
  3. Step 3: Cross multiply
    285,478.11x = 428,224.14 × 95,941.26
  4. Step 4: Simplify right side
    285,478.11x = 41,084,363,554.02
  5. Step 5: Solve for x
    x = 41,084,363,554.02/285,478.11
  6. Step 6: Final answer
    x = 143,914.23

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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.