Home / 126,715.51-174,848.59-76,961.92

Finding the Fourth Proportional to 126,715.51, 174,848.59 and 76,961.92

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Solution

The fourth proportional to 126,715.51, 174,848.59 and 76,961.92 is: 106,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,715.51 : 174,848.59 = 76,961.92 : x
  2. Step 2: Convert to fraction form
    126,715.51/174,848.59 = 76,961.92/x
  3. Step 3: Cross multiply
    126,715.51x = 174,848.59 × 76,961.92
  4. Step 4: Simplify right side
    126,715.51x = 13,456,683,195.69
  5. Step 5: Solve for x
    x = 13,456,683,195.69/126,715.51
  6. Step 6: Final answer
    x = 106,196.02

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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.