Home / 126,654.09-174,754.02-75,656.84

Finding the Fourth Proportional to 126,654.09, 174,754.02 and 75,656.84

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Solution

The fourth proportional to 126,654.09, 174,754.02 and 75,656.84 is: 104,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,654.09 : 174,754.02 = 75,656.84 : x
  2. Step 2: Convert to fraction form
    126,654.09/174,754.02 = 75,656.84/x
  3. Step 3: Cross multiply
    126,654.09x = 174,754.02 × 75,656.84
  4. Step 4: Simplify right side
    126,654.09x = 13,221,336,056.73
  5. Step 5: Solve for x
    x = 13,221,336,056.73/126,654.09
  6. Step 6: Final answer
    x = 104,389.34

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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.