Home / 99,402.41-137,258.12-92,190.34

Finding the Fourth Proportional to 99,402.41, 137,258.12 and 92,190.34

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Solution

The fourth proportional to 99,402.41, 137,258.12 and 92,190.34 is: 127,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402.41 : 137,258.12 = 92,190.34 : x
  2. Step 2: Convert to fraction form
    99,402.41/137,258.12 = 92,190.34/x
  3. Step 3: Cross multiply
    99,402.41x = 137,258.12 × 92,190.34
  4. Step 4: Simplify right side
    99,402.41x = 12,653,872,750.56
  5. Step 5: Solve for x
    x = 12,653,872,750.56/99,402.41
  6. Step 6: Final answer
    x = 127,299.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.