Home / 126,021.76-189,069.54-37,277.63

Finding the Fourth Proportional to 126,021.76, 189,069.54 and 37,277.63

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Solution

The fourth proportional to 126,021.76, 189,069.54 and 37,277.63 is: 55,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.76 : 189,069.54 = 37,277.63 : x
  2. Step 2: Convert to fraction form
    126,021.76/189,069.54 = 37,277.63/x
  3. Step 3: Cross multiply
    126,021.76x = 189,069.54 × 37,277.63
  4. Step 4: Simplify right side
    126,021.76x = 7,048,063,411.04
  5. Step 5: Solve for x
    x = 7,048,063,411.04/126,021.76
  6. Step 6: Final answer
    x = 55,927.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.