Home / 126,955.62-190,437.35-38,209.77

Finding the Fourth Proportional to 126,955.62, 190,437.35 and 38,209.77

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Solution

The fourth proportional to 126,955.62, 190,437.35 and 38,209.77 is: 57,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.62 : 190,437.35 = 38,209.77 : x
  2. Step 2: Convert to fraction form
    126,955.62/190,437.35 = 38,209.77/x
  3. Step 3: Cross multiply
    126,955.62x = 190,437.35 × 38,209.77
  4. Step 4: Simplify right side
    126,955.62x = 7,276,567,151.86
  5. Step 5: Solve for x
    x = 7,276,567,151.86/126,955.62
  6. Step 6: Final answer
    x = 57,315.83

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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.