Home / 208,736.16-288,056.01-113,242.83

Finding the Fourth Proportional to 208,736.16, 288,056.01 and 113,242.83

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Solution

The fourth proportional to 208,736.16, 288,056.01 and 113,242.83 is: 156,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.16 : 288,056.01 = 113,242.83 : x
  2. Step 2: Convert to fraction form
    208,736.16/288,056.01 = 113,242.83/x
  3. Step 3: Cross multiply
    208,736.16x = 288,056.01 × 113,242.83
  4. Step 4: Simplify right side
    208,736.16x = 32,620,277,204.69
  5. Step 5: Solve for x
    x = 32,620,277,204.69/208,736.16
  6. Step 6: Final answer
    x = 156,275.16

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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.