Home / 292,656.12-438,784.38-140,773.02

Finding the Fourth Proportional to 292,656.12, 438,784.38 and 140,773.02

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Solution

The fourth proportional to 292,656.12, 438,784.38 and 140,773.02 is: 211,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,656.12 : 438,784.38 = 140,773.02 : x
  2. Step 2: Convert to fraction form
    292,656.12/438,784.38 = 140,773.02/x
  3. Step 3: Cross multiply
    292,656.12x = 438,784.38 × 140,773.02
  4. Step 4: Simplify right side
    292,656.12x = 61,769,002,301.43
  5. Step 5: Solve for x
    x = 61,769,002,301.43/292,656.12
  6. Step 6: Final answer
    x = 211,063.42

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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.