Home / 113,136.12-168,877.12-104,912.76

Finding the Fourth Proportional to 113,136.12, 168,877.12 and 104,912.76

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Solution

The fourth proportional to 113,136.12, 168,877.12 and 104,912.76 is: 156,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.12 : 168,877.12 = 104,912.76 : x
  2. Step 2: Convert to fraction form
    113,136.12/168,877.12 = 104,912.76/x
  3. Step 3: Cross multiply
    113,136.12x = 168,877.12 × 104,912.76
  4. Step 4: Simplify right side
    113,136.12x = 17,717,364,760.05
  5. Step 5: Solve for x
    x = 17,717,364,760.05/113,136.12
  6. Step 6: Final answer
    x = 156,602.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.