Home / 106,128.40-159,158.80-35,037.79

Finding the Fourth Proportional to 106,128.40, 159,158.80 and 35,037.79

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Solution

The fourth proportional to 106,128.40, 159,158.80 and 35,037.79 is: 52,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,128.40 : 159,158.80 = 35,037.79 : x
  2. Step 2: Convert to fraction form
    106,128.40/159,158.80 = 35,037.79/x
  3. Step 3: Cross multiply
    106,128.40x = 159,158.80 × 35,037.79
  4. Step 4: Simplify right side
    106,128.40x = 5,576,572,606.04
  5. Step 5: Solve for x
    x = 5,576,572,606.04/106,128.40
  6. Step 6: Final answer
    x = 52,545.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.