Home / 291,534.89-402,180.62-170,601.30

Finding the Fourth Proportional to 291,534.89, 402,180.62 and 170,601.30

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Solution

The fourth proportional to 291,534.89, 402,180.62 and 170,601.30 is: 235,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.89 : 402,180.62 = 170,601.30 : x
  2. Step 2: Convert to fraction form
    291,534.89/402,180.62 = 170,601.30/x
  3. Step 3: Cross multiply
    291,534.89x = 402,180.62 × 170,601.30
  4. Step 4: Simplify right side
    291,534.89x = 68,612,535,753.80
  5. Step 5: Solve for x
    x = 68,612,535,753.80/291,534.89
  6. Step 6: Final answer
    x = 235,349.32

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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.