Home / 291,483.07-402,275.33-170,617.03

Finding the Fourth Proportional to 291,483.07, 402,275.33 and 170,617.03

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Solution

The fourth proportional to 291,483.07, 402,275.33 and 170,617.03 is: 235,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,483.07 : 402,275.33 = 170,617.03 : x
  2. Step 2: Convert to fraction form
    291,483.07/402,275.33 = 170,617.03/x
  3. Step 3: Cross multiply
    291,483.07x = 402,275.33 × 170,617.03
  4. Step 4: Simplify right side
    291,483.07x = 68,635,021,193.78
  5. Step 5: Solve for x
    x = 68,635,021,193.78/291,483.07
  6. Step 6: Final answer
    x = 235,468.29

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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.