Home / 126,680.51-190,047.84-46,718.69

Finding the Fourth Proportional to 126,680.51, 190,047.84 and 46,718.69

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Solution

The fourth proportional to 126,680.51, 190,047.84 and 46,718.69 is: 70,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,680.51 : 190,047.84 = 46,718.69 : x
  2. Step 2: Convert to fraction form
    126,680.51/190,047.84 = 46,718.69/x
  3. Step 3: Cross multiply
    126,680.51x = 190,047.84 × 46,718.69
  4. Step 4: Simplify right side
    126,680.51x = 8,878,785,171.89
  5. Step 5: Solve for x
    x = 8,878,785,171.89/126,680.51
  6. Step 6: Final answer
    x = 70,088.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.