Home / 178,823.40-246,673.68-111,638.76

Finding the Fourth Proportional to 178,823.40, 246,673.68 and 111,638.76

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Solution

The fourth proportional to 178,823.40, 246,673.68 and 111,638.76 is: 153,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,823.40 : 246,673.68 = 111,638.76 : x
  2. Step 2: Convert to fraction form
    178,823.40/246,673.68 = 111,638.76/x
  3. Step 3: Cross multiply
    178,823.40x = 246,673.68 × 111,638.76
  4. Step 4: Simplify right side
    178,823.40x = 27,538,343,759.84
  5. Step 5: Solve for x
    x = 27,538,343,759.84/178,823.40
  6. Step 6: Final answer
    x = 153,997.43

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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.