Home / 126,875.54-175,106.88-73,150.04

Finding the Fourth Proportional to 126,875.54, 175,106.88 and 73,150.04

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Solution

The fourth proportional to 126,875.54, 175,106.88 and 73,150.04 is: 100,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.54 : 175,106.88 = 73,150.04 : x
  2. Step 2: Convert to fraction form
    126,875.54/175,106.88 = 73,150.04/x
  3. Step 3: Cross multiply
    126,875.54x = 175,106.88 × 73,150.04
  4. Step 4: Simplify right side
    126,875.54x = 12,809,074,400.74
  5. Step 5: Solve for x
    x = 12,809,074,400.74/126,875.54
  6. Step 6: Final answer
    x = 100,957.80

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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.