Home / 202,528.17-279,505.22-111,892.05

Finding the Fourth Proportional to 202,528.17, 279,505.22 and 111,892.05

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Solution

The fourth proportional to 202,528.17, 279,505.22 and 111,892.05 is: 154,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,528.17 : 279,505.22 = 111,892.05 : x
  2. Step 2: Convert to fraction form
    202,528.17/279,505.22 = 111,892.05/x
  3. Step 3: Cross multiply
    202,528.17x = 279,505.22 × 111,892.05
  4. Step 4: Simplify right side
    202,528.17x = 31,274,411,492.04
  5. Step 5: Solve for x
    x = 31,274,411,492.04/202,528.17
  6. Step 6: Final answer
    x = 154,420.06

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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.