Home / 124,610.42-171,853.83-76,175.66

Finding the Fourth Proportional to 124,610.42, 171,853.83 and 76,175.66

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Solution

The fourth proportional to 124,610.42, 171,853.83 and 76,175.66 is: 105,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,610.42 : 171,853.83 = 76,175.66 : x
  2. Step 2: Convert to fraction form
    124,610.42/171,853.83 = 76,175.66/x
  3. Step 3: Cross multiply
    124,610.42x = 171,853.83 × 76,175.66
  4. Step 4: Simplify right side
    124,610.42x = 13,091,078,064.51
  5. Step 5: Solve for x
    x = 13,091,078,064.51/124,610.42
  6. Step 6: Final answer
    x = 105,056.05

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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.