Home / 183,812.68-253,596.90-120,187.72

Finding the Fourth Proportional to 183,812.68, 253,596.90 and 120,187.72

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Solution

The fourth proportional to 183,812.68, 253,596.90 and 120,187.72 is: 165,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,812.68 : 253,596.90 = 120,187.72 : x
  2. Step 2: Convert to fraction form
    183,812.68/253,596.90 = 120,187.72/x
  3. Step 3: Cross multiply
    183,812.68x = 253,596.90 × 120,187.72
  4. Step 4: Simplify right side
    183,812.68x = 30,479,233,210.07
  5. Step 5: Solve for x
    x = 30,479,233,210.07/183,812.68
  6. Step 6: Final answer
    x = 165,816.82

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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.