Home / 134,683.99-185,899.72-79,541.62

Finding the Fourth Proportional to 134,683.99, 185,899.72 and 79,541.62

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Solution

The fourth proportional to 134,683.99, 185,899.72 and 79,541.62 is: 109,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,683.99 : 185,899.72 = 79,541.62 : x
  2. Step 2: Convert to fraction form
    134,683.99/185,899.72 = 79,541.62/x
  3. Step 3: Cross multiply
    134,683.99x = 185,899.72 × 79,541.62
  4. Step 4: Simplify right side
    134,683.99x = 14,786,764,886.35
  5. Step 5: Solve for x
    x = 14,786,764,886.35/134,683.99
  6. Step 6: Final answer
    x = 109,788.59

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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.