Home / 126,712.56-174,863.34-70,127.58

Finding the Fourth Proportional to 126,712.56, 174,863.34 and 70,127.58

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Solution

The fourth proportional to 126,712.56, 174,863.34 and 70,127.58 is: 96,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,712.56 : 174,863.34 = 70,127.58 : x
  2. Step 2: Convert to fraction form
    126,712.56/174,863.34 = 70,127.58/x
  3. Step 3: Cross multiply
    126,712.56x = 174,863.34 × 70,127.58
  4. Step 4: Simplify right side
    126,712.56x = 12,262,742,864.92
  5. Step 5: Solve for x
    x = 12,262,742,864.92/126,712.56
  6. Step 6: Final answer
    x = 96,776.06

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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.