Home / 126,953.23-190,456.55-48,065.71

Finding the Fourth Proportional to 126,953.23, 190,456.55 and 48,065.71

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Solution

The fourth proportional to 126,953.23, 190,456.55 and 48,065.71 is: 72,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.23 : 190,456.55 = 48,065.71 : x
  2. Step 2: Convert to fraction form
    126,953.23/190,456.55 = 48,065.71/x
  3. Step 3: Cross multiply
    126,953.23x = 190,456.55 × 48,065.71
  4. Step 4: Simplify right side
    126,953.23x = 9,154,429,059.57
  5. Step 5: Solve for x
    x = 9,154,429,059.57/126,953.23
  6. Step 6: Final answer
    x = 72,108.67

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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.