Home / 272,589.99-376,165.81-151,728.18

Finding the Fourth Proportional to 272,589.99, 376,165.81 and 151,728.18

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Solution

The fourth proportional to 272,589.99, 376,165.81 and 151,728.18 is: 209,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,589.99 : 376,165.81 = 151,728.18 : x
  2. Step 2: Convert to fraction form
    272,589.99/376,165.81 = 151,728.18/x
  3. Step 3: Cross multiply
    272,589.99x = 376,165.81 × 151,728.18
  4. Step 4: Simplify right side
    272,589.99x = 57,074,953,729.53
  5. Step 5: Solve for x
    x = 57,074,953,729.53/272,589.99
  6. Step 6: Final answer
    x = 209,380.23

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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.