Home / 126,889.48-175,114.74-76,596.04

Finding the Fourth Proportional to 126,889.48, 175,114.74 and 76,596.04

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Solution

The fourth proportional to 126,889.48, 175,114.74 and 76,596.04 is: 105,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.48 : 175,114.74 = 76,596.04 : x
  2. Step 2: Convert to fraction form
    126,889.48/175,114.74 = 76,596.04/x
  3. Step 3: Cross multiply
    126,889.48x = 175,114.74 × 76,596.04
  4. Step 4: Simplify right side
    126,889.48x = 13,413,095,629.63
  5. Step 5: Solve for x
    x = 13,413,095,629.63/126,889.48
  6. Step 6: Final answer
    x = 105,706.92

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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.