Home / 291,985.57-402,967.96-177,237.90

Finding the Fourth Proportional to 291,985.57, 402,967.96 and 177,237.90

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Solution

The fourth proportional to 291,985.57, 402,967.96 and 177,237.90 is: 244,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,985.57 : 402,967.96 = 177,237.90 : x
  2. Step 2: Convert to fraction form
    291,985.57/402,967.96 = 177,237.90/x
  3. Step 3: Cross multiply
    291,985.57x = 402,967.96 × 177,237.90
  4. Step 4: Simplify right side
    291,985.57x = 71,421,194,418.21
  5. Step 5: Solve for x
    x = 71,421,194,418.21/291,985.57
  6. Step 6: Final answer
    x = 244,605.22

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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.