Home / 134,683.68-185,864.78-74,256.67

Finding the Fourth Proportional to 134,683.68, 185,864.78 and 74,256.67

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Solution

The fourth proportional to 134,683.68, 185,864.78 and 74,256.67 is: 102,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,683.68 : 185,864.78 = 74,256.67 : x
  2. Step 2: Convert to fraction form
    134,683.68/185,864.78 = 74,256.67/x
  3. Step 3: Cross multiply
    134,683.68x = 185,864.78 × 74,256.67
  4. Step 4: Simplify right side
    134,683.68x = 13,801,699,633.08
  5. Step 5: Solve for x
    x = 13,801,699,633.08/134,683.68
  6. Step 6: Final answer
    x = 102,474.92

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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.