Home / 203,541.15-280,904.04-112,926.27

Finding the Fourth Proportional to 203,541.15, 280,904.04 and 112,926.27

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Solution

The fourth proportional to 203,541.15, 280,904.04 and 112,926.27 is: 155,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,541.15 : 280,904.04 = 112,926.27 : x
  2. Step 2: Convert to fraction form
    203,541.15/280,904.04 = 112,926.27/x
  3. Step 3: Cross multiply
    203,541.15x = 280,904.04 × 112,926.27
  4. Step 4: Simplify right side
    203,541.15x = 31,721,445,465.13
  5. Step 5: Solve for x
    x = 31,721,445,465.13/203,541.15
  6. Step 6: Final answer
    x = 155,847.82

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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.