Home / 133,072.40-199,637.40-39,587.60

Finding the Fourth Proportional to 133,072.40, 199,637.40 and 39,587.60

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Solution

The fourth proportional to 133,072.40, 199,637.40 and 39,587.60 is: 59,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.40 : 199,637.40 = 39,587.60 : x
  2. Step 2: Convert to fraction form
    133,072.40/199,637.40 = 39,587.60/x
  3. Step 3: Cross multiply
    133,072.40x = 199,637.40 × 39,587.60
  4. Step 4: Simplify right side
    133,072.40x = 7,903,165,536.24
  5. Step 5: Solve for x
    x = 7,903,165,536.24/133,072.40
  6. Step 6: Final answer
    x = 59,389.97

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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.