Home / 208,922.06-288,313.92-113,428.76

Finding the Fourth Proportional to 208,922.06, 288,313.92 and 113,428.76

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Solution

The fourth proportional to 208,922.06, 288,313.92 and 113,428.76 is: 156,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,922.06 : 288,313.92 = 113,428.76 : x
  2. Step 2: Convert to fraction form
    208,922.06/288,313.92 = 113,428.76/x
  3. Step 3: Cross multiply
    208,922.06x = 288,313.92 × 113,428.76
  4. Step 4: Simplify right side
    208,922.06x = 32,703,088,835.26
  5. Step 5: Solve for x
    x = 32,703,088,835.26/208,922.06
  6. Step 6: Final answer
    x = 156,532.48

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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.