Home / 134,334.81-185,378.22-73,905.57

Finding the Fourth Proportional to 134,334.81, 185,378.22 and 73,905.57

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Solution

The fourth proportional to 134,334.81, 185,378.22 and 73,905.57 is: 101,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,334.81 : 185,378.22 = 73,905.57 : x
  2. Step 2: Convert to fraction form
    134,334.81/185,378.22 = 73,905.57/x
  3. Step 3: Cross multiply
    134,334.81x = 185,378.22 × 73,905.57
  4. Step 4: Simplify right side
    134,334.81x = 13,700,483,014.69
  5. Step 5: Solve for x
    x = 13,700,483,014.69/134,334.81
  6. Step 6: Final answer
    x = 101,987.59

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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.