Home / 133,070.70-199,606.05-39,564.30

Finding the Fourth Proportional to 133,070.70, 199,606.05 and 39,564.30

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Solution

The fourth proportional to 133,070.70, 199,606.05 and 39,564.30 is: 59,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.70 : 199,606.05 = 39,564.30 : x
  2. Step 2: Convert to fraction form
    133,070.70/199,606.05 = 39,564.30/x
  3. Step 3: Cross multiply
    133,070.70x = 199,606.05 × 39,564.30
  4. Step 4: Simplify right side
    133,070.70x = 7,897,273,644.02
  5. Step 5: Solve for x
    x = 7,897,273,644.02/133,070.70
  6. Step 6: Final answer
    x = 59,346.45

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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.