Home / 185,344.12-255,802.21-117,367.30

Finding the Fourth Proportional to 185,344.12, 255,802.21 and 117,367.30

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Solution

The fourth proportional to 185,344.12, 255,802.21 and 117,367.30 is: 161,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,344.12 : 255,802.21 = 117,367.30 : x
  2. Step 2: Convert to fraction form
    185,344.12/255,802.21 = 117,367.30/x
  3. Step 3: Cross multiply
    185,344.12x = 255,802.21 × 117,367.30
  4. Step 4: Simplify right side
    185,344.12x = 30,022,813,788.81
  5. Step 5: Solve for x
    x = 30,022,813,788.81/185,344.12
  6. Step 6: Final answer
    x = 161,984.17

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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.