Home / 254,784.06-382,132.92-77,248.26

Finding the Fourth Proportional to 254,784.06, 382,132.92 and 77,248.26

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Solution

The fourth proportional to 254,784.06, 382,132.92 and 77,248.26 is: 115,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,784.06 : 382,132.92 = 77,248.26 : x
  2. Step 2: Convert to fraction form
    254,784.06/382,132.92 = 77,248.26/x
  3. Step 3: Cross multiply
    254,784.06x = 382,132.92 × 77,248.26
  4. Step 4: Simplify right side
    254,784.06x = 29,519,103,158.72
  5. Step 5: Solve for x
    x = 29,519,103,158.72/254,784.06
  6. Step 6: Final answer
    x = 115,859.30

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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.