Home / 190,328.48-262,534.38-122,433.88

Finding the Fourth Proportional to 190,328.48, 262,534.38 and 122,433.88

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Solution

The fourth proportional to 190,328.48, 262,534.38 and 122,433.88 is: 168,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,328.48 : 262,534.38 = 122,433.88 : x
  2. Step 2: Convert to fraction form
    190,328.48/262,534.38 = 122,433.88/x
  3. Step 3: Cross multiply
    190,328.48x = 262,534.38 × 122,433.88
  4. Step 4: Simplify right side
    190,328.48x = 32,143,102,776.79
  5. Step 5: Solve for x
    x = 32,143,102,776.79/190,328.48
  6. Step 6: Final answer
    x = 168,882.25

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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.