Home / 122,665.80-183,998.70-38,426.67

Finding the Fourth Proportional to 122,665.80, 183,998.70 and 38,426.67

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Solution

The fourth proportional to 122,665.80, 183,998.70 and 38,426.67 is: 57,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,665.80 : 183,998.70 = 38,426.67 : x
  2. Step 2: Convert to fraction form
    122,665.80/183,998.70 = 38,426.67/x
  3. Step 3: Cross multiply
    122,665.80x = 183,998.70 × 38,426.67
  4. Step 4: Simplify right side
    122,665.80x = 7,070,457,325.33
  5. Step 5: Solve for x
    x = 7,070,457,325.33/122,665.80
  6. Step 6: Final answer
    x = 57,640.01

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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.