Home / 126,718.51-174,852.73-76,964.92

Finding the Fourth Proportional to 126,718.51, 174,852.73 and 76,964.92

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Solution

The fourth proportional to 126,718.51, 174,852.73 and 76,964.92 is: 106,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,718.51 : 174,852.73 = 76,964.92 : x
  2. Step 2: Convert to fraction form
    126,718.51/174,852.73 = 76,964.92/x
  3. Step 3: Cross multiply
    126,718.51x = 174,852.73 × 76,964.92
  4. Step 4: Simplify right side
    126,718.51x = 13,457,526,376.23
  5. Step 5: Solve for x
    x = 13,457,526,376.23/126,718.51
  6. Step 6: Final answer
    x = 106,200.16

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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.