Home / 258,414.32-387,116.02-169,396.16

Finding the Fourth Proportional to 258,414.32, 387,116.02 and 169,396.16

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Solution

The fourth proportional to 258,414.32, 387,116.02 and 169,396.16 is: 253,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,414.32 : 387,116.02 = 169,396.16 : x
  2. Step 2: Convert to fraction form
    258,414.32/387,116.02 = 169,396.16/x
  3. Step 3: Cross multiply
    258,414.32x = 387,116.02 × 169,396.16
  4. Step 4: Simplify right side
    258,414.32x = 65,575,967,262.48
  5. Step 5: Solve for x
    x = 65,575,967,262.48/258,414.32
  6. Step 6: Final answer
    x = 253,762.90

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1.5x scale

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.