Home / 185,238.06-255,534.57-117,140.28

Finding the Fourth Proportional to 185,238.06, 255,534.57 and 117,140.28

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Solution

The fourth proportional to 185,238.06, 255,534.57 and 117,140.28 is: 161,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,238.06 : 255,534.57 = 117,140.28 : x
  2. Step 2: Convert to fraction form
    185,238.06/255,534.57 = 117,140.28/x
  3. Step 3: Cross multiply
    185,238.06x = 255,534.57 × 117,140.28
  4. Step 4: Simplify right side
    185,238.06x = 29,933,391,079.48
  5. Step 5: Solve for x
    x = 29,933,391,079.48/185,238.06
  6. Step 6: Final answer
    x = 161,594.17

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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.