Home / 126,705.96-174,859.70-70,117.34

Finding the Fourth Proportional to 126,705.96, 174,859.70 and 70,117.34

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Solution

The fourth proportional to 126,705.96, 174,859.70 and 70,117.34 is: 96,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,705.96 : 174,859.70 = 70,117.34 : x
  2. Step 2: Convert to fraction form
    126,705.96/174,859.70 = 70,117.34/x
  3. Step 3: Cross multiply
    126,705.96x = 174,859.70 × 70,117.34
  4. Step 4: Simplify right side
    126,705.96x = 12,260,695,812.31
  5. Step 5: Solve for x
    x = 12,260,695,812.31/126,705.96
  6. Step 6: Final answer
    x = 96,764.95

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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.