Home / 132,685.79-183,076.76-111,262.19

Finding the Fourth Proportional to 132,685.79, 183,076.76 and 111,262.19

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Solution

The fourth proportional to 132,685.79, 183,076.76 and 111,262.19 is: 153,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,685.79 : 183,076.76 = 111,262.19 : x
  2. Step 2: Convert to fraction form
    132,685.79/183,076.76 = 111,262.19/x
  3. Step 3: Cross multiply
    132,685.79x = 183,076.76 × 111,262.19
  4. Step 4: Simplify right side
    132,685.79x = 20,369,520,699.39
  5. Step 5: Solve for x
    x = 20,369,520,699.39/132,685.79
  6. Step 6: Final answer
    x = 153,516.97

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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.