Home / 103,632.96-142,906.50-97,604.40

Finding the Fourth Proportional to 103,632.96, 142,906.50 and 97,604.40

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Solution

The fourth proportional to 103,632.96, 142,906.50 and 97,604.40 is: 134,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.96 : 142,906.50 = 97,604.40 : x
  2. Step 2: Convert to fraction form
    103,632.96/142,906.50 = 97,604.40/x
  3. Step 3: Cross multiply
    103,632.96x = 142,906.50 × 97,604.40
  4. Step 4: Simplify right side
    103,632.96x = 13,948,303,188.60
  5. Step 5: Solve for x
    x = 13,948,303,188.60/103,632.96
  6. Step 6: Final answer
    x = 134,593.31

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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.