Home / 190,523.16-262,802.88-122,628.60

Finding the Fourth Proportional to 190,523.16, 262,802.88 and 122,628.60

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Solution

The fourth proportional to 190,523.16, 262,802.88 and 122,628.60 is: 169,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,523.16 : 262,802.88 = 122,628.60 : x
  2. Step 2: Convert to fraction form
    190,523.16/262,802.88 = 122,628.60/x
  3. Step 3: Cross multiply
    190,523.16x = 262,802.88 × 122,628.60
  4. Step 4: Simplify right side
    190,523.16x = 32,227,149,250.37
  5. Step 5: Solve for x
    x = 32,227,149,250.37/190,523.16
  6. Step 6: Final answer
    x = 169,150.82

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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.