Home / 113,147.62-169,729.63-38,275.67

Finding the Fourth Proportional to 113,147.62, 169,729.63 and 38,275.67

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Solution

The fourth proportional to 113,147.62, 169,729.63 and 38,275.67 is: 57,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147.62 : 169,729.63 = 38,275.67 : x
  2. Step 2: Convert to fraction form
    113,147.62/169,729.63 = 38,275.67/x
  3. Step 3: Cross multiply
    113,147.62x = 169,729.63 × 38,275.67
  4. Step 4: Simplify right side
    113,147.62x = 6,496,515,635.74
  5. Step 5: Solve for x
    x = 6,496,515,635.74/113,147.62
  6. Step 6: Final answer
    x = 57,416.28

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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.