Home / 126,872.68-175,071.54-70,273.48

Finding the Fourth Proportional to 126,872.68, 175,071.54 and 70,273.48

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Solution

The fourth proportional to 126,872.68, 175,071.54 and 70,273.48 is: 96,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.68 : 175,071.54 = 70,273.48 : x
  2. Step 2: Convert to fraction form
    126,872.68/175,071.54 = 70,273.48/x
  3. Step 3: Cross multiply
    126,872.68x = 175,071.54 × 70,273.48
  4. Step 4: Simplify right side
    126,872.68x = 12,302,886,364.76
  5. Step 5: Solve for x
    x = 12,302,886,364.76/126,872.68
  6. Step 6: Final answer
    x = 96,970.34

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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.