Home / 263,402.01-363,495.67-142,543.26

Finding the Fourth Proportional to 263,402.01, 363,495.67 and 142,543.26

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Solution

The fourth proportional to 263,402.01, 363,495.67 and 142,543.26 is: 196,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,402.01 : 363,495.67 = 142,543.26 : x
  2. Step 2: Convert to fraction form
    263,402.01/363,495.67 = 142,543.26/x
  3. Step 3: Cross multiply
    263,402.01x = 363,495.67 × 142,543.26
  4. Step 4: Simplify right side
    263,402.01x = 51,813,857,441.33
  5. Step 5: Solve for x
    x = 51,813,857,441.33/263,402.01
  6. Step 6: Final answer
    x = 196,710.18

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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.