Home / 107,573.37-161,332.65-76,277.40

Finding the Fourth Proportional to 107,573.37, 161,332.65 and 76,277.40

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Solution

The fourth proportional to 107,573.37, 161,332.65 and 76,277.40 is: 114,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,573.37 : 161,332.65 = 76,277.40 : x
  2. Step 2: Convert to fraction form
    107,573.37/161,332.65 = 76,277.40/x
  3. Step 3: Cross multiply
    107,573.37x = 161,332.65 × 76,277.40
  4. Step 4: Simplify right side
    107,573.37x = 12,306,035,077.11
  5. Step 5: Solve for x
    x = 12,306,035,077.11/107,573.37
  6. Step 6: Final answer
    x = 114,396.67

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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.