Home / 126,950.36-175,160.48-75,940.74

Finding the Fourth Proportional to 126,950.36, 175,160.48 and 75,940.74

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Solution

The fourth proportional to 126,950.36, 175,160.48 and 75,940.74 is: 104,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.36 : 175,160.48 = 75,940.74 : x
  2. Step 2: Convert to fraction form
    126,950.36/175,160.48 = 75,940.74/x
  3. Step 3: Cross multiply
    126,950.36x = 175,160.48 × 75,940.74
  4. Step 4: Simplify right side
    126,950.36x = 13,301,816,090.25
  5. Step 5: Solve for x
    x = 13,301,816,090.25/126,950.36
  6. Step 6: Final answer
    x = 104,779.67

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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.