Home / 113,927.28-170,934.64-80,225.60

Finding the Fourth Proportional to 113,927.28, 170,934.64 and 80,225.60

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Solution

The fourth proportional to 113,927.28, 170,934.64 and 80,225.60 is: 120,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,927.28 : 170,934.64 = 80,225.60 : x
  2. Step 2: Convert to fraction form
    113,927.28/170,934.64 = 80,225.60/x
  3. Step 3: Cross multiply
    113,927.28x = 170,934.64 × 80,225.60
  4. Step 4: Simplify right side
    113,927.28x = 13,713,334,054.78
  5. Step 5: Solve for x
    x = 13,713,334,054.78/113,927.28
  6. Step 6: Final answer
    x = 120,369.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.