Home / 112,306.88-168,519.36-45,796.16

Finding the Fourth Proportional to 112,306.88, 168,519.36 and 45,796.16

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Solution

The fourth proportional to 112,306.88, 168,519.36 and 45,796.16 is: 68,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306.88 : 168,519.36 = 45,796.16 : x
  2. Step 2: Convert to fraction form
    112,306.88/168,519.36 = 45,796.16/x
  3. Step 3: Cross multiply
    112,306.88x = 168,519.36 × 45,796.16
  4. Step 4: Simplify right side
    112,306.88x = 7,717,539,573.66
  5. Step 5: Solve for x
    x = 7,717,539,573.66/112,306.88
  6. Step 6: Final answer
    x = 68,718.32

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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.