Home / 109,824.16-151,559.76-67,357.60

Finding the Fourth Proportional to 109,824.16, 151,559.76 and 67,357.60

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Solution

The fourth proportional to 109,824.16, 151,559.76 and 67,357.60 is: 92,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,824.16 : 151,559.76 = 67,357.60 : x
  2. Step 2: Convert to fraction form
    109,824.16/151,559.76 = 67,357.60/x
  3. Step 3: Cross multiply
    109,824.16x = 151,559.76 × 67,357.60
  4. Step 4: Simplify right side
    109,824.16x = 10,208,701,690.18
  5. Step 5: Solve for x
    x = 10,208,701,690.18/109,824.16
  6. Step 6: Final answer
    x = 92,954.97

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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.