Home / 134,212.50-185,216.78-73,784.67

Finding the Fourth Proportional to 134,212.50, 185,216.78 and 73,784.67

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Solution

The fourth proportional to 134,212.50, 185,216.78 and 73,784.67 is: 101,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,212.50 : 185,216.78 = 73,784.67 : x
  2. Step 2: Convert to fraction form
    134,212.50/185,216.78 = 73,784.67/x
  3. Step 3: Cross multiply
    134,212.50x = 185,216.78 × 73,784.67
  4. Step 4: Simplify right side
    134,212.50x = 13,666,158,064.68
  5. Step 5: Solve for x
    x = 13,666,158,064.68/134,212.50
  6. Step 6: Final answer
    x = 101,824.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.